OOIR: Observatory of International Research

Papers

(The TQCC of Scandinavian Journal of Clinical & Laboratory Investigation is 3. The table below lists those papers that are above that threshold based on CrossRef citation counts [max. 250 papers]. The publications cover those that have been published in the past four years, i.e., from 2021-09-01 to 2025-09-01.)

Article	Citations
Elevated estradiol in a prepubertal female: within-laboratory systematic and practical interference screening	27
First trimester serum apolipoproteins in the prediction of late-onset preeclampsia	21
Cardiohepatic syndrome and its prognostic predictive ability in patients with pulmonary arterial hypertension	20
Increased serum anti-angiogenic factor levels in insulin-resistant obese children and adolescents with or without liver steatosis (NAFL)	17
Short-term stability of routine coagulation tests under different storage temperatures in centrifuged whole blood samples: a practical approach	16
Prognostic potential of creatinine and Cystatin C in COVID-19 – a retrospective cohort study from Karolinska University Hospital	15
A study of size-selective renal elimination using a novel human model	14
The performance of saliva test strips for determining ethanol levels, as compared to gas chromatography and breathalyser methods	13
Reference intervals for 23 common biochemical parameters during pregnancy and the first six postpartum months	12
Evaluation of a novel probe based on laser Doppler flowmetry and comparison with photo plethysmography for assessment of the skin perfusion pressure	12
Total and ionized calcium concentrations in human cerebrospinal fluid	11
Establishing reference intervals for islet autoantibodies in Han Chinese type 1 diabetes	11
Urine test strips and iodine contamination: a tricky trick in iodine nutrition surveys	10
Serum brain-derived neurotrophic factor reflects the lower inflammation, lipid level, and major adverse cardiac and cerebrovascular events risk in maintenance hemodialysis patients	10
Plasma N-terminal pro-B-type natriuretic peptide in the detection of aortic valve stenosis	10
Variation of NK, NKT, CD4⁺ T, CD8⁺ T cells, and IL-17A by CalliSpheres^® microspheres-transarterial chemoembolization in refractory liver metastases patients	9
Reference intervals for platelet large cell ratio, platelet distribution width, plateletcrit and standard haematological parameters determined on the Sysmex XN-10 in a cohort of 30,917 Danish blood do	9
Presence of macroproteins on the measurement of vitamin B12: studying high vitamin B12 levels using polyethylene glycol and heterophile antibody blocking tubes	9
The LEAP checklist for Laboratory Evaluation and Analytical Performance Characteristics reporting of clinical measurement procedures	8
The diagnostic accuracy of quality control rules	8
Reliability of a point of care testing blood gas analyzer for measurement of lactate levels in cerebrospinal fluid	8
Correction	7
SUMO specific peptidase 1 decreases after induction treatment, and its reduction predicts lower disease risk, better treatment response, longer survival of acute myeloid leukemia	7
Use of thrombomodulin-modified thrombin generation in uncomplicated pregnancy: the normal range and prothrombotic phenotype	7
Effect of smoking cessation on cardiac troponin I concentrations	7

Chemometrics assisted untargeted metabolomic analysis to explore metabolic alterations in chronic urticaria via LC/Q-TOF/MS/MS	7
Lipid levels in a cohort of healthy Danish schoolchildren ages 5 to 17 years	7
Preanalytical stability of 17 analytes in whole blood during transportation	7
LC-MS/MS analysis of 11-nor-9-carboxy-hexahydrocannabinol (HHC-COOH) and 11-hydroxy-hexahydrocannabinol (HHC-OH) for verification of hexahydrocannabinol (HHC) intake	7
Clinical significance of SIRT3 and inflammatory factors in multiple myeloma patients with bortezomib-induced peripheral neuropathy: a cohort study	7
Correction	7
Eosinopenia and increased markers of endothelial damage are characteristic of COVID-19 infection at time of hospital admission	7
Analytical and clinical performance of the Advansure i3 procalcitonin assay	7
Optimal conditions for sampling of blood cytokine tests using AimPlex flow cytometry	6
Utility of comet assay of DNA damage in the detection of malignant transformation of chronic liver cirrhosis	6
Reference intervals for holotranscobalamin and total vitamin B12 in 6–12-year-old children in Norway: the Health Oriented Pedagogical Project (HOPP)	6
Lipemia impact on HBA1C measurements in patients with and without hemoglobin variant: a rational laboratory use evaluation	6
High-sensitivity troponin T and I in patients suspected of acute myocardial infarction	6
Plasma metabolomics for diagnostic biomarkers on ectopic pregnancy	5
Managing patients on direct factor Xa inhibitors with rapid thrombelastography	5
Comparison of serum antinuclear antibodies in Guillain–Barré syndrome and chronic inflammatory demyelinating polyradiculoneuropathy: a retrospective case–control study	5
Verification of examination procedures for 72 biochemical parameters on the atellica^® clinical chemistry and immunoassay analyzers	5
Interference of preservatives on urinary iodine measurement by Sandell–Kolthoff method	5
Direct cord blood LAMP colorimetric phenol red assay for detecting α ⁰ -thalassemia (SEA deletion); the validation and post-natal screening in Thailand	5
Correlation between plasma biochemical parameters and cardio-hepatic iron deposition in thalassemia major patients	5
The course of plasma alpha-1-microglobulin and haemolysis during cardiac surgery and the relationship to acute kidney injury, a pilot study	5
Association of methylene tetrahydrofolate reductase (MTHFR) gene polymorphisms with serum folate, cobalanin and homocysteine concentrations in Greek adults	5
Serum interα-trypsin inhibitor heavy chain H4 may be an anti-inflammatory marker reflecting disease risk, activity and treatment outcome of ankylosing spondylitis	5
Association of ferritin and transferrin saturation with all-cause mortality, and the effect of concurrent inflammation: a danish cohort study	5
The relationship between oxidative stress and autophagy and apoptosis in patients with paroxysmal atrial fibrillation	5
Stability of bilirubin and oxyhaemoglobin in cerebrospinal fluid	5
Multiplex recombinase polymerase amplification (RPA) assay for carrier detection and prenatal diagnosis of α ⁰ -thalassemia (SEA and THAI deletions)	5
Evaluating routine blood and cerebrospinal fluid samples in narcolepsy patients	5
Evaluation of venous plasma glucose measured by point-of-care testing (Accu-Chek Inform II) and a hospital laboratory hexokinase method (Cobas c701) in oral glucose tolerance testing during pregnancy	5
Biotin interference in routine IDS-iSYS immunoassays for aldosterone, renin, insulin-like growth factor 1, growth hormone and bone alkaline phosphatase	4
Critical test result management at Danish hospital laboratories: a national survey	4
A deep dive into four thyroglobulin immunoassays from analytical perspective	4
Smoking tobacco is associated with renal hyperfiltration	4
Extending the Lund-Malmö creatinine-based GFR equation to cystatin C – validation results from the European Kidney Function Consortium (EKFC) cohort of children and adults	4
Five days serum glucose stability at room-temperature in centrifuged fast-clotting serum tubes and the comparability with glucose in heparin-plasma and plasma containing citrate-stabilizer	4
Blood urea nitrogen/albumin ratio on admission predicts mortality in patients with non ST segment elevation myocardial infarction	4
Value of point-of-care neutrophil gelatinase associated lipocalin in early diagnosis of acute kidney injury in patients with left ventricular systolic dysfunction after coronary angiography	4
Differences in SARS-CoV-2 antibodies depending on age, blood group, and sex in a Swedish blood donor cohort	4
Impact of preanalytical factors on the stability of acetylcholine receptor antibodies in serum	4
The effect of posture and exercise on blood CO kinetics during the optimized carbon monoxide rebreathing procedure	4
Gluten-free diet attenuates the impact of exogenous vitamin D on thyroid autoimmunity in young women with autoimmune thyroiditis: a pilot study	4
Guide for the classification of porphyrias using state-of-the-art reverse-phase high-performance liquid chromatography	4
Correction	4
Renal elimination and eGFR prediction of proenkephalin	4
Analysis of HbA1c using microfluidic card (Capitainer qDBS card) as a pre-step before determination of the HbA1c value with an immunological method	4
Establishment of a reference interval for glycated albumin based on medical check-up data from multiple medical institutions	4
A novel modification approach for the one sample Kolmogorov-Smirnov test in large sample size	4
Validation of an automated UPLC-MS/MS method for methylmalonic acid in serum/plasma and its application on clinical samples	4
Reply to La Gioia: effects of cold agglutinins on the automated complete blood count accuracy	4
Appearance of hexahydrocannabinols as recreational drugs and implications for cannabis drug testing – focus on HHC, HHC-P, HHC-O and HHC-H	4

Reproducibility and stability of the immature platelet fraction using Sysmex XN-10	4
Correction	4
Adjustment of lactate dehydrogenase concentration results according to the haemolysis index following in vitro haemolysis	3
Evaluation of total leukocytes count by flow cytometry with Beckman Coulter® DXH900 in the presence of platelet aggregates	3
Computerized clinical decision support tool for diagnosing porphyria – improving efficiency in a specialized laboratory	3
Interference from haemolysis on serum protein electrophoresis in the identification and quantification of monoclonal immunoglobulins	3
Sulfate and acid-base balance	3
The consistency of aminotransferase analysis in China: a comparison of six mainstream aminotransferase routine methods and recalibration using human pooled serum preparations supplemented with human r	3
Red blood cell distribution width (RDW) reflects disease severity in patients with carbon monoxide poisoning: systematic literature review and meta-analysis	3
Correlation of serum omentin-1 level with clinical features and major adverse cardiac and cerebral events in patients undergoing continuous ambulatory peritoneal dialysis	3
Real-life experiences with goal-directed prohemostatic therapy with fibrinogen concentrate, prothrombin complex concentrate, and recombinant factor VIIa: a retrospective study of 287 consecutive patie	3
Establishing a pediatric reference interval for plasma calprotectin	3
Plateletcrit and absolute immature platelet count are not impacted by platelet transfusions: a single-centre prospective study	3
Impact of TP53 gene variants on prognosis and survival of childhood acute lymphoblastic leukemia	3
Stability of serum placental growth factor (PlGF) and soluble fms-like tyrosine kinase 1 (sFlt-1)	3
Plasma or serum 5-hydroxyindoleacetic acid can be used interchangeably in patients with neuroendocrine tumours	3
Undisclosed interference in 25-OH-Vitamin D immunoassay on Liaison XL analyzer when using heparin plasma tubes	3
Association between snus use and lipid status in Swedish men	3
Analytical interference on measurement of immunoglobulins in monoclonal gammopathy	3
Platelet indices at admission and their performance associated with predicting all-cause mortality in the ICU: a large cross-sectional cohort study	3
Standardised lung function metrics in healthy athletes	3
Hb Tacoma is difficult to detect and may cause false results with different HbA1c methods	3
The predictive value of postoperative soluble urokinase plasminogen activator receptor concentration for postoperative complications following valvular surgery	3
Evaluation of the Premier Hb9210 instrument for HbA1c determination	3
Evaluation of a flow cytometry-based method for determination of T-lymphocyte subtypes for quality assessment of cell therapy products	3
Inflammatory markers calprotectin, NETs, syndecan-1 and neopterin in COVID-19 convalescent blood donors	3
Rest reduces venous lactate levels significantly in patients in outpatient clinic	3
Pre-analytical diagnostic differences despite high adherence to guidelines for gestational diabetes mellitus	3
Longitudinal change of circulating tumour cell count and its relation to prognosis in advanced intrahepatic cholangiocarcinoma patients	3
Lot-to-lot difference: a new approach to evaluate regression studies	3
A single blood sample for stimulated LH assayed by ICMA is useful for monitoring the treatment efficacy of triptorelin depot in girls	3
Association between fibrosis markers and kidney function following peptide receptor radionuclide therapy in patients with neuroendocrine tumours	3
Hypoosmolar and hyperosmolar COVID-19 patients are predisposed to dismal clinical outcomes	3
Development and validation of a simple correction method for the measurement of neuron-specific enolase in hemolyzed serum samples	3
Impact of direct oral anticoagulants on ROTEM® variables; a sample size-calculated experimental study	3
General practitioners’ assessment of interventions applied to optimize laboratory test utilization: a cross-sectional survey study	3