Brief Article
Copyright ©2013 Baishideng Publishing Group Co.
World J Gastroenterol. Dec 21, 2013; 19(47): 9057-9062
Published online Dec 21, 2013. doi: 10.3748/wjg.v19.i47.9057
Table 3 Sensitivity, specificity, positive predictive value, negative predictive value, diagnostic accuracy and negative appendectomy values of the scoring systems
Alvarado (cut-off = 7)Ohhmann (cut-off = 12)Eskelinen (cut-off = 57)RIPASA (cut-off = 7.5)
Sensitivity82%96%100%100%
Specificity75%42%44%28%
PPV88%78%79%75%
NPV66%83%100%100%
Diagnostic accuracy80%79%82%77%
Neg. app. rate12%22%21%25%