Table 1

Number of included surgical procedures in the Danish National Patient Registry from 1 January 1977 to 31 December 2010 among the included 170 000 women

	Procedural codes
	(1977–1995)	(1996–2010)	1977–1986 (10 years)	1987–1996 (10 years)	1997–2006 (10 years)	2007–2010 (4 years)
Women alive on 1 January of the first year			170 000	170 000	168 725	163 693
Unilateral salpingo-oophorectomy	60300	KLAF00/01	537	716	946	250
Bilateral salpingo-oophorectomy	60320	KLAF10/11	58	246	1213	632
Unilateral salpingectomy	60460	KLBE00/01	831	905	475	68
Bilateral salpingectomy	60480	KLBE00/01	138	152	–	–
Supravaginal hysterectomy	61000	KLCC10/11/20	19	430	944	111
Total abdominal hysterectomy	61020	KLCD00/01/04/11	855	2179	2835	911
Total vaginal hysterectomy	61040	KLCD10	11	68	667	311
Radical hysterectomy	61100	KLCD30/31/40	33	108	74	35
Sterilisation	608.00–40	KLGA00–98	2675	4424	2649	81