Skip to main content
. 2023 May 16;381:e074349. doi: 10.1136/bmj-2022-074349

Table 4.

Menstrual bleeding information and adverse reactions of special interest collected by participant questionnaire from consent up to 24 weeks

Characteristic Spironolactone (n=201) Placebo (n=209) Total (n=410) p value
Irregular menstrual bleeding in the 12-24 week period*:
Yes 57 (32) 61 (35) 118 (33)
No/do not have periods 123 (68) 112 (65) 235 (67) 0.47
Missing† 21 (11) 36 (17) 57 (14)
At least one adverse reaction: 128 (64) 107 (51) 235 (57) 0.01
Summary of adverse reactions‡:
Abdominal pain 9 (5) 10 (5) 19 (5) 0.88
Breast enlargement 31 (15) 25 (12) 56 (14) 0.31
Diarrhoea 7 (4) 11 (5) 18 (4) 0.38
Dizziness/vertigo/light headedness 38 (19) 26 (12) 64 (16) 0.07
Drowsiness/sleepiness 14 (7) 18 (9) 32 (8) 0.53
Fatigue/tiredness 23 (11) 29 (14) 52 (13) 0.46
Headache 41 (20) 25 (12) 66 (16) 0.02
Indigestion/heartburn/dyspepsia 23 (11) 17 (8) 40 (10) 0.26
Nausea/feeling sick 21 (11) 16 (8) 37 (10) 0.32
Polyuria (passing much more urine than usual) 62 (31) 52 (25) 114 (28) 0.18
Reduced libido 15 (8) 11 (5) 26 (6) 0.36
Tenderness of the breasts 40 (20) 37 (18) 77 (19) 0.57
Tingling 6 (3) 10 (5) 16 (4) 0.35
Vomiting/being sick 4 (2) 1 (1) 5 (1) 0.16
Weight gain 13 (7) 17 (8) 30 (7) 0.52
Other 34 (17) 22 (11) 56 (14) 0.06

Data are number of participants (percentage), unless otherwise specified and p values are from Pearson’s χ2 test.

*

Calculated using the no. of participants with non-missing information available.

Calculated as the no. of participants with this information missing (ie, did not provide period information at any of the time points) divided by those with period information available.

Calculated using the no. of participants in the spironolactone/placebo group.