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. 2021 Sep 16;2021(9):CD013225. doi: 10.1002/14651858.CD013225.pub3

Comparison 1. Progesterone versus placebo.

Outcome or subgroup title No. of studies No. of participants Statistical method Effect size
1.1 Seizure freedom 1   Risk Ratio (M‐H, Fixed, 95% CI) Subtotals only
1.1.1 All seizures 1 124 Risk Ratio (M‐H, Fixed, 95% CI) 4.02 [0.21, 76.21]
1.1.2 Most severe seizure type 1 124 Risk Ratio (M‐H, Fixed, 95% CI) 2.09 [0.61, 7.10]
1.2 Responder rate (50% reduction in seizure frequency) 1   Risk Ratio (M‐H, Fixed, 95% CI) Subtotals only
1.2.1 All seizures 1 124 Risk Ratio (M‐H, Fixed, 95% CI) 1.14 [0.56, 2.32]
1.2.2 Most severe seizure type 1 124 Risk Ratio (M‐H, Fixed, 95% CI) 1.24 [0.67, 2.29]
1.2.3 Secondarily generalised motor seizures 1 50 Risk Ratio (M‐H, Fixed, 95% CI) 1.34 [0.57, 3.13]
1.2.4 Complex partial seizures 1 119 Risk Ratio (M‐H, Fixed, 95% CI) 1.27 [0.60, 2.68]
1.2.5 Simple partial seizures 1 51 Risk Ratio (M‐H, Fixed, 95% CI) 1.00 [0.50, 2.01]
1.3 Seizure frequency 1   Mean Difference (IV, Fixed, 95% CI) Subtotals only
1.3.1 In the 3 months before the study 1 36 Mean Difference (IV, Fixed, 95% CI) ‐1.40 [‐4.39, 1.59]
1.3.2 In the 3 months after the study 1 36 Mean Difference (IV, Fixed, 95% CI) ‐4.50 [‐6.55, ‐2.45]
1.4 Number of withdrawals from the study 2   Risk Ratio (M‐H, Fixed, 95% CI) Subtotals only
1.4.1 Withdrawals for any reason 2 168 Risk Ratio (M‐H, Fixed, 95% CI) 1.56 [0.81, 3.00]
1.4.2 Withdrawals due to adverse events 2 168 Risk Ratio (M‐H, Fixed, 95% CI) 2.91 [0.53, 16.17]
1.5 Any adverse events reported 1   Risk Ratio (M‐H, Fixed, 95% CI) Subtotals only
1.6 Adverse events reported in > 5% of participants 1   Risk Ratio (M‐H, Fixed, 99% CI) Subtotals only
1.6.1 Diarrhoea 1 130 Risk Ratio (M‐H, Fixed, 99% CI) 0.53 [0.09, 3.07]
1.6.2 Dyspepsia 1 130 Risk Ratio (M‐H, Fixed, 99% CI) 0.53 [0.04, 6.66]
1.6.3 Nausea 1 130 Risk Ratio (M‐H, Fixed, 99% CI) 0.08 [0.00, 3.65]
1.6.4 Vomiting 1 130 Risk Ratio (M‐H, Fixed, 99% CI) 0.53 [0.04, 6.66]
1.6.5 Fatigue 1 130 Risk Ratio (M‐H, Fixed, 99% CI) 1.48 [0.42, 5.20]
1.6.6 Nasopharyngitis 1 130 Risk Ratio (M‐H, Fixed, 99% CI) 0.18 [0.00, 11.65]
1.6.7 Dizziness 1 130 Risk Ratio (M‐H, Fixed, 99% CI) 0.26 [0.05, 1.54]
1.6.8 Headache 1 130 Risk Ratio (M‐H, Fixed, 99% CI) 0.79 [0.08, 7.94]
1.6.9 Depression 1 130 Risk Ratio (M‐H, Fixed, 99% CI) 2.12 [0.12, 36.26]