Table 3.

Surgeon-reported outcomes of single-surgeon operations

Surgical experience (number of operations per active year)	≤ 6	>6 and < 12	≥12 and < 24	≥24	P value
Perioperative bleeding (ml)
Mean	32.97	30.26	29.33	31.08
SD	37.26	32.53	34.08	29.42	0.004
n	2,092	2,887	2172	580
N	2,517	3,232	2,488	676
Reoperation due to complications within 1 year
Yes	0.8%	0.7%	0.7%	0.7%
95% CI	(0.5–1.3)	(0.4–1.0)	(0.4–1.1)	(0.2–1.7)	0.926
N	2,214	2,748	2,243	615
Surgeon-reported complication (of any kind) within 1 year
Yes	16.0%	15.5%	14.3%	13.5%
95% CI	402	502	357	91	0.219
N	2,214	2,748	2,243	615
Organ damage (perforation: bladder, urethra, or intestine)
Yes	0.1%	0.1%	0.1%	0.0%
95% CI	(0.01–0.3)	(0.01–0.22)	(0.025–0.35)	N/A	0.752
N	2,517	3,232	2,488	676
Operation time (min)
Mean	42.31	41.33	37.18	29.01
SD	18.231	17.970	16.945	13.426	0.000
n	2,078	2,908	2,159	576
N	2,517	3,232	2,488	676
Time in hospital (days)
Mean	0.64	0.47	0.43	0.11
SD	0.840	0.848	0.699	0.474	0.000
n	2,381	3,159	2,437	663
N	2,517	3,232	2,488	676