Table 3.

The number of patients who developed a complication, and when this was first diagnosed

Procedure	Surgical audit	Phone interview	Questionnaire	Total
Hernia	7	17	15	39
Biliary	6	17	15	38
Colorectal	24	13	20	57
Skin	5	10	21	36
Anorectal	3	34	19	56
All procedures	45	91	90	226

Hundred patients had each surgical procedure.