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Table 1 Baseline characteristics

From: Predictive factors for failure of the levonorgestrel releasing intrauterine system in women with heavy menstrual bleeding

 

LNG-IUS (N = 209)

Study arm

 

Cohort

87 (42%)

RCT

122 (58%)

Age (mean ± SD)

44.7 ± 4.8

Age ≤ 45

97 (46%)

Age > 45

112 (54%)

BMI (mean ± SD)

27.4 ± 5.6

BMI < 25

58 (39%)

BMI ≥ 25

91 (61%)

Previous vaginal delivery

159 (81%)

Previous caesarean section

34 (17%)

Previous polypectomy/ myomectomy

13 (6.3%)

Tubal ligation

5 (2.4%)

Previous LNG-IUS*

19 (9.3%)

Previous treatment HMB

100 (48%)

Non-hormonal treatment

33 (16%)

Hormonal treatment

81 (39%)

Anticoagulants

10 (4.8%)

Dysmenorrhea

139 (71%)

Mild

36 (18%)

Moderate

59 (30%)

Severe

44 (22%)

PBAC-score (median-IQR)

425 (288–744)

Bleeding days (median-IQR)

8 (6–11)

  1. LNG-IUS, levonorgestrel releasing intrauterine system; BMI, Body Mass Index; HMB, heavy menstrual bleeding; PBAC, Pictorial Blood Assessment Chart. Data are presented as number of women (%) unless otherwise indicated
  2. *Indication for treatment: contraception and/or HMB
  3. Women could have received ≥ one previous treatment