Table 2 Pre-operative predictors of re-intervention after endometrial ablation

Age (years)

0.93

0.89–0.98

<.01

0.95

0.90–1.00

.06

− 0.052

Body mass index (kg/m²)

0.99

0.93–1.05

.68

Dysmenorrhea

2.83

1.44–5.55

<.01

2.48

1.21–5.07

.01

0.097

Duration of menstruation > 7 days

1.87

1.04–3.37

.04

2.05

1.10–3.82

.02

0.718

Intermittent or irregular bleeding

1.56

0.84–2.89

.16

Menorrhagia

0.67

0.14–3.12

.61

Myomas

0.67

0.30–1.48

.33

Parity (no.)

0.88

0.66–1.17

.38

Parity ≥ 5

5.84

1.27–26.83

.02

7.63

1.51–38.46

.01

2.032

Pre-treatment*

0.40

0.16–0.95

.04

0.49

0.20–1.22

.13

–

Previous caesarean section

2.98

1.52–5.83

<.01

2.21

1.05–4.64

.04

0.794

Smoking

1.36

0.70–2.62

.36

Sterilisation

1.59

0.86–2.94

.14

 Thin, 0–3 mm

0.64

0.18–2.29

.49

 Normal, 4–12 mm

1.00

–

–

 Thick, > 13 mm

0.96

0.36–2.58

.93

Uterine cavity length of the uterus (cm)

1.16

0.88–1.54

.29

 Anteverted

1.00

–

–

 Retroverted

1.23

0.54–2.79

.63

 Midposition

2.77

0.70–10.96

.15