Table 1: Rate of balloon deflation and sensitivity of urine discoloration for detecting it.

StudyBalloons inserted
Balloons deflated
(%)
Urine discoloration
(%)
Sensitivity of
urine discoloration for balloon deflation

Loffredo et al. 2001 [4]7715 (19.4%)9 (11.6%)60%
Doldi et al. 2002 [5]2818 (2.8%)5 (1.7%)62.5%
Francica et al. 2004 [6]13118 (13.7%)11 (8.3%)61.1%