title: Reproducibility of semi-automatic coronary plaque quantification in coronary CT angiography with sub-mSv radiation dose; common mistakes.
abstract: Reliability (repeatability or reproducibility) is being assessed by different statistical tests including Pearson r or Spearman rho which is one of the common mistakes in reliability analysis. Briefly, for quantitative variable Intra Class Correlation Coefficient (ICCC) single measure should be used. Reporting inter- and intra-observer mean percentage differences is another mistake in reliability analysis because individual approach should be considered instead of global average. As a take home message, for reliability analysis, appropriate tests should be applied by researchers. Otherwise, misdiagnosis and mismanagement of the patients cannot be avoided.
authors.affiliation: Safety Promotion and Injury Prevention Research Center, Shahid Beheshti University of Medical Sciences, Tehran, Islamic Republic of Iran; Department of Clinical Epidemiology, School of Health, Shahid Beheshti University of Medical Sciences, Tehran, Islamic Republic of Iran. Electronic address: s.sabour@sbmu.ac.ir.
authors.forename: Siamak
authors.initials: S
authors.lastname: Sabour
mesh_terms: D000072226:Computed Tomography Angiography; D017023:Coronary Angiography; D006801:Humans; D011829:Radiation Dosage; D015203:Reproducibility of Results; D014057:Tomography, X-Ray Computed
keywords: Coronary CT angiography; Coronary plaque imaging; Mistake; Reliability