Table 1 Comparison of accuracy, sensitivity, specificity, positive predictive value (PPV) and negative predictive value (NPV) between ROSE and NON-ROSE (%).

From: The role of ROSE-enhanced ERCP-guided biopsy in diagnosing biliary stricture

Cohort

accuracy

sensitivity

specificity

positive predictive value

negative predictive value

ROSE

92.0

97.2

78.57

92.11

91.60

NON-ROSE

78.00

74.68

90.47

96.70

48.72

χ2

6.63

13.62

0.53

0.61

10.24

P

P < 0.05

P < 0.001

P > 0.05

P > 0.05

P < 0.01