Significance of the Intraoperative Methylene Blue Test for Postoperative Evaluation of the Vesicourethral Anastomosis

Table 2

Contingency table.

(a)  

	Cystography test no leakage	Cystography test leakage	Totals
Methylene blue test no leakage	59	12	71
Methylene blue test leakage	12	20	32
Totals	71	32

(b)  

	Cystography test no leakage	Cystography test leakage
Methylene blue test no leakage	83.1% true positive	16.9% false positive
Methylene blue test leakage	37.5% false negative	62.5% true negative