Gjørup T, Nielsen H, Bording Jensen L, Mørup Jensen A
Acta Radiol Diagn (Stockh). 1986 Jan-Feb;27(1):41-4. doi: 10.1177/028418518602700108.
Interobserver variation was estimated in radiologists' detection of duodenal ulcer and deformity of the duodenal bulb. A consecutive series of 156 patients with upper abdominal pain had a double contrast barium examination. The films were first read by routine by a specialist in radiology. A second reading was performed by another specialist who did not know the result of the first reading. Overall agreement between the two readings in the detection of duodenal ulcer and deformity of the duodenal bulb was 0.91 and 0.94, respectively. The overall agreement was adjusted for the expected chance agreement and kappa values were calculated. Kappa was 0.63 for the detection of duodenal ulcer and 0.85 for the detection of deformity of the duodenal bulb.
评估了放射科医生对十二指肠溃疡和十二指肠球部畸形的诊断中观察者间的差异。连续156例上腹部疼痛患者接受了双重对比钡剂检查。这些X光片首先由一位放射学专家常规阅片。第二次阅片由另一位不知道第一次阅片结果的专家进行。两次阅片在十二指肠溃疡和十二指肠球部畸形检测方面的总体一致性分别为0.91和0.94。根据预期的偶然一致性对总体一致性进行了调整，并计算了kappa值。十二指肠溃疡检测的kappa值为0.63，十二指肠球部畸形检测的kappa值为0.85。
