Sphincter of Oddi laxity: An important factor in hepatolithiasis

Table 1 Patient characteristics (n = 98)

Characteristics
Male/female	35/63
Mean age (yr)	52.8
Mean age of first onset (yr)	45.1
Mean follow-up period (mo)	42.1
Follow-up prevalence	100%
Simple IHL/IHL with choledocholith	38/60
Recurrence rate of this operation	16.3%
Mean number of operations	1.60
Number of patients with 1 operation	67
Number of patients with 2 operations	19
Number of patients with 3 operations	7
Number of patients with 4 operations	1
Number of patients with 5 operations	1
Number of patients with 6 operations	2
Number of patients with 11 operations	1
Number of patients with simple choledocholithotomy and T-tube drainage	35
Number of patients with simple hepatectomy	20
Number of patients with choledocholithotomy, T-tube drainage and hepatectomy	35
Number of patients with simple choledochojejunostomy	5
Number of patients with choledochojejunostomy and hepatectomy	3
Recurrence index	0.072
Reoperation index	0.037

IHL: Intra-hepatolithiasis.