Surgical outcomes of laparoscopic hysterectomy with concomitant endometriosis without bowel or bladder dissection: a cohort analysis to define a case-mix variable

Table 2 Surgeon’s characteristics

Surgeon characteristics*	Total n = 93 surgeons^ɸ
Number of procedures registered in QUSUM	33 (30.6), (1–130)
Number of procedures per year	31 (17.5), (10–140)
Years of experience	6 (4.5), (0–21)
Overall experience	160 (158.9), (0–800)
Total surgical experience for the LH’s with and without endometriosis**	Total n = 93 surgeons^ɸ	LH’s with endometriosis n = 397	LH’s without endometriosis n = 2258 LH	p value
Overall experience				< .001
0–99	42 (45.2)	125 (31.5)	954 (43.4)
100–199	21 (22.6)	73 (18.4)	518 (21.8)
200–299	10 (10.8)	99 (24.9)	347 (15.4)
≥ 300	19 (20.4)	100 (25.2)	437 (19.4)

*Data are presented as mean (SD), (minimum-maximum)
**Data are presented as number (percentage)
^ɸFor one surgeon no information on experience was available
Statistics: chi-square test for trend
LH laparoscopic hysterectomy
Number of procedures per year is the number of LH they perform an average on a yearly basis
Years of experience is defined as the number of years of experience since they have finished residency
Overall experience is defined as the total number of LH’s performed by a gynecologist during his or her career as attending, including the teaching cases