Table 2.

Prevalence of increased endometrial thickness according to reproductive and gynecologic history

CharacteristicsAll subjects (n = 1,271)
Not Current HRT users (n = 801)
Current HRT users (n = 461)
nET ≥3 mm (%)PnET ≥3 mm (%)PnET ≥3 mm (%)P
Age at menarche, y
Age at menopause, y
Uterine fibroid
Oral contraceptive use
HRT use
Years since menopause
  • NOTE: P indicates the statistical significance of differences in endometrial thickness (in mm), according to reproductive and gynecologic history, for all women, women not currently using HRT, and women currently using HRT. Status with respect to current HRT use was missing in nine instances. ET, endometrial thickness; *, missing.