Table 4.

Factor	DOR (95% CI)	Sensitivity (95% CI)	Specificity (95% CI)	Prior probability	PPV	NPV
Mixed Population	11 (6–21)	0.50 (0.44–0.58)	0.82 (0.71–0.95)	0.32	0.57	0.78
Surgery	34 (25–47)	0.54 (0.39–0.74)	0.96 (0.93–0.99)	0.20	0.76	0.89