Botulinum toxin for chronic anal fissure after biliopancreatic diversion for morbid obesity

Table 6 Multivariate analysis of parameters registered 2 mo after treatment

Risk factor	P value	T Ratio	95% CI
Age	0.3091	1.059	-0.01680 to 0.005750
Sex	0.0111	2.957	0.1110 to 0.7129
Nocturnal pain	0.8100	0.2454	-0.3677 to 0.4619
Bleeding	0.2130	1.310	-0.4982 to 0.1221
Mucorrhea	0.3122	1.052	-0.6795 to 0.2345
Other anal pathologies	0.0712	1.965	-0.8284 to 0.03926
Extra-anal pathologies	0.2659	1.163	-0.4816 to 0.1446
Dose of botulinum toxin	0.0771	1.920	-0.02639 to 0.001555
RAP 0	0.0225	2.588	0.001689 to 0.01872
RAP 1	0.8975	0.1314	-0.008417 to 0.007451
RAP 2	< 0.0001	5.953	-0.03038 to -0.01420

RAP 0: Resting anal pressure (pretreatment); RAP 1: Resting anal pressure (1 mo after treatment); RAP 2: Resting anal pressure (2 mo after treatment).