Accuracy of magnetic resonance cholangiography compared to operative endoscopy in detecting biliary stones, a single center experience and review of literature

Table 4 Previous studies data on magnetic resonance cholangiopancreatography as compared to the present study

Ref.	Sensitivity (%)	Specificity (%)	Accuracy (%)	PPV (%)	NPV (%)	Cohort numerosity
De Waele et al[17]	82.6	97.5	94.2	90.5	95.2	104 pts
Shanmugam et al[18]	97.98	84.4				374 pts
Moon et al[19]	80					32 pts
Kondo et al[20]	88					28 pts
Norero et al[21]	97	74	90	89	90	125 pts
Scaffidi et al[22]	88	72	83	87	72	140 pts
Li et al[23]	84.5	87.4				165 pts
Li et al[24]	64.09	80	66.27	95.27	26.17	255 pts
	80.411	79.411	69.231	94.441	48.211
Bilgin et al[13]	82.3	96	91.7			108 pts
Present study	100	95	57.5	100	85	200 pts

¹Microstones. PPV: Positive predictive value; NPV: Negative predictive value.