Sensitivity | Specificity | Positive predictive value | Negative predictive value | |
---|---|---|---|---|
Schirmer’s test < = 5 mm. | 0.78 (0.63–0.87) | 0.77 (0.65–0.85) | 0.69 | 0.84 |
BUT < = 10 s | 0.30 (0.16–0.46) | 0.76 (0.63–0.85) | 0.42 | 0.66 |
Rose Bengal > = 4 | 0.64 (0.47–0.77) | 0.56 (0.43–0.67) | 0.48 | 0.73 |