Table 2.

Reliability of Diagnostic Ureteroscopy Parameters: Selective Cytology, Lesion Appearance, and Tumor Biopsy.

Parameter (n) Sensitivity (95% CI) Specificity (95% CI) PPV (95% CI) NPV (95% CI) Test Accuracy (%)
Urine cytology (n=33) 0.6 (0.38–0.81) 0.84 (0.65–1.04) 0.86 (0.67–1.04) 0.58 (0.35–0.80) 69.7
Lesion appearance (n=37) 0.7 (0.5–0.9) 0.23 (0.03–0.44) 0.4 (0.01–0.7) 0.52 (0.33–0.7) 54
Tumor biopsy (n=32) 0.53 (0.29–0.76) 0.8 (0.6–1) 0.75 (0.51–0.99) 0.6 (0.35–0.81) 65

CI, confidence interval; NPV, negative predictive value; PPV, positive predictive value.

RMMJ Rambam Maimonides Medical Journal Rambam Health Care Campus 2022 January; 13(1): e0002. ISSN: 2076-9172
Published online 2022 January 27. doi: 10.5041/RMMJ.10459