Table 8

Predictors of post-ERCP perforation

Variable	Perforation (n=7)	No perforation (n=1072)	OR	95% CI	P value
Clinical
Age
<40 years	0	219	0.26	0.02 to 4.56	0.36
40–70 years	3	594	0.6	0.13 to 2.71	0.51
>70 years	4	259	4.19	0.93 to 18.82	0.06
Sex
Male	3	394	1.29	0.29 to 5.80	0.74
Female	4	678	Reference group	Reference group
ASA grade
I	0	19	3.29	0.18 to 59.73	0.42
II	1	330	0.33	0.04 to 2.75	0.3
III	2	478	0.42	0.08 to 2.18	0.3
IV and V	4	155	7.11	1.58 to 32.1	0.01
Ethnicity
Afro-Caribbean	4	467	1.73	0.39 to 7.76	0.48
African American	1	379	0.31	0.04 to 2.54	0.27
White	1	42	4.09	0.48 to 34.72	0.2
Other	1	184	0.8	0.10 to 6.72	0.84
Procedural
ASGE complexity grade
1	0	168	0.51	0.03 to 9.56	0.65
2	3	564	2.02	0.21 to 19.51	0.54
3	0	172	0.5	0.03 to 9.29	0.64
4	1	40	7.53	0.77 to 74.04	0.08
HOUSE complexity score
1	5	775	1.61	0.19 to 13.87	0.66
2	0	172	0.38	0.02 to 6.79	0.51
3	1	78	2.43	0.28 to 21.04	0.42
Sphincterotomy	4	652	3.01	0.86 to 10.52	0.09
Precut sphincterotomy	0	36	1.89	0.11 to 33.78	0.66

ERCP, endoscopic retrograde cholangiopancreatography.