Table 2. Obstetric history in Olmsted County, Minnesota women who did (cases) or did not (controls) undergo subsequent pelvic floor repair following hysterectomy.

Obstetric history	Cases (n=144)	Controls (n=144)	OR (95% CI) †
Gravity	3.5 ± 2.2	3.6 ± 2.3	1.0 (0.9,1.1)
Parity	3.2 ± 1.8	3.2 ± 1.8	1.0 (0.9,1.2)
No. of vaginal deliveries	3.2 ± 1.8	3.1 ± 1.9	1.0 (0.9,1.1)
Forceps deliveries, n (%)	45 (31.2%)	37 (25.7%)	1.1 (0.5,2.6)
Cesarean deliveries, n (%)	7 (4.9%)	7 (4.9%)	1.3 (0.4,4.1)
Largest infant weight (gm)	3726 ± 578	3704 ± 461	1.0 (1.0,1.0)

^*Unless stated otherwise, all values are Means ± SD.

^†Odds ratio (OR) adjusted for age at time of hysterectomy and year of first registration.