Journal of clinical epidemiology · 2012
Good interobserver agreement was attainable on outcome adjudication in patients with stable coronary heart disease.
СтатьяМногоцентровое исследованиеРандомизированное исследованиеНазвание и аннотация: Перевод пока не подготовлен
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Kjoller Erik, Hilden Jorgen, Winkel Per, Frandsen Niels J, Galatius Soren, Jensen Gorm, Kastrup Jens, Hansen Jorgen Fischer, Kolmos Hans J, Jespersen Christian M, Hildebrandt Per, Gluud Christian, CLARICOR Trial Group
Аннотация
OBJECTIVE: In clinical trials, agreement on outcomes is of utmost importance for valid estimation of intervention effects. As there is limited knowledge about adjudicator agreement in cardiology, we examined the level of agreement among three cardiology specialists adjudicating all possible events in a randomized controlled clinical trial of patients with stable coronary heart disease.
STUDY DESIGN AND SETTING: All information (hospital records, death certificates, etc.) was forwarded to two randomly selected blinded adjudicators. If they disagreed, the third arbiter had to choose the more likely of the two alternatives. Files of 5,475 nonfatal and 362 fatal events were evaluated.
RESULTS: For nonfatal outcomes, pairwise kappa values ranged from 0.75 to 0.80. The three adjudicators had 4.3%, 9.5%, and 6.1% of their nonfatal outcome classifications overruled by their arbiter. If stable angina pectoris, unstable angina pectoris, and acute myocardial infarction were treated as one, agreement increased minimally. For fatal outcomes, the pairwise kappa values ranged from 0.65 to 0.90. The three adjudicators had 12%, 9%, and 10% of their death classifications overruled.
CONCLUSION: Specialists in cardiology can attain a reasonably high agreement on outcomes in patients with stable coronary heart disease.
STUDY DESIGN AND SETTING: All information (hospital records, death certificates, etc.) was forwarded to two randomly selected blinded adjudicators. If they disagreed, the third arbiter had to choose the more likely of the two alternatives. Files of 5,475 nonfatal and 362 fatal events were evaluated.
RESULTS: For nonfatal outcomes, pairwise kappa values ranged from 0.75 to 0.80. The three adjudicators had 4.3%, 9.5%, and 6.1% of their nonfatal outcome classifications overruled by their arbiter. If stable angina pectoris, unstable angina pectoris, and acute myocardial infarction were treated as one, agreement increased minimally. For fatal outcomes, the pairwise kappa values ranged from 0.65 to 0.90. The three adjudicators had 12%, 9%, and 10% of their death classifications overruled.
CONCLUSION: Specialists in cardiology can attain a reasonably high agreement on outcomes in patients with stable coronary heart disease.