Measures

Single layer

(Total = 115)

Double layer

(Total = 115)

p-value

Relative effect

RR

95% CI

Niche

55 (47.8%)

32 (27.8%)

#0.002*

1.72

1.21 - 2.44

Postmenstrual spotting

19 (16.5%)

5 (4.3%)

#0.003*

3.80

1.47 - 9.83

Postmenstrual spotting

17 (14.8%)

4 (3.5%)

#0.003*

4.25

1.48 - 12.24

Dysparunia

17 (14.8%)

6 (5.2%)

#0.016*

2.83

1.16 - 6.93

Total = 55

Total = 32

Dysmenorrhea

18 (32.7%)

3 (9.4%)

#0.014*

1.11

3.49 - 10.94

Premenstrual spotting

3 (3.6%)

2 (6.3%)

§0.623

0.09

0.58 - 3.93

Dysmenorrhea

17 (30.9%)

1 (3.1%)

#0.002*

1.38

9.89 - 70.86

Dysparunia

15 (27.3%)

2 (6.3%)

#0.017*

1.07

4.36 - 17.87

Silent niche

32 (58.2%)

26 (81.3%)

#0.028*

0.72

0.54 - 0.95