Table 3.

The sensitivity, specificity, and predictive values of the weighted score predictive of urinary fistula at various cutoff points

Score	Sensitivity (%)	Specificity (%)	PPV (%)	NVP (%)
≥1	91.9	54.9	52.5	86.8
≥2	83.2	67.3	64.1	81.6
≥3	79.6	78.8	72.6	76.3
≥4	67.5	83.6	78.8	66.8
≥5	61.6	86.9	84.6	58.6
≥6	56.3	91.5	89.1	54.7
≥7	52.7	94.1	92.3	45.9
≥8	46.4	100	100	43.8

PPV: Positive predictive value.

NVP: Negative predictive value.