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. 2013 Jun 24;2013(6):CD000493. doi: 10.1002/14651858.CD000493.pub2

Comparison 1. UDCA versus placebo.

Outcome or subgroup title No. of studies No. of participants Statistical method Effect size
1 Pruritus improvement 1 15 Risk Ratio (M‐H, Fixed, 95% CI) 1.23 [0.72, 2.10]
2 Mean of worst itching scores over preceding 24 hours between randomisation and delivery 1 111 Mean Difference (IV, Fixed, 95% CI) ‐12.90 [‐22.59, ‐3.21]
3 Mean of average itching scores over preceding 24 hours between randomisation and delivery 1 111 Mean Difference (IV, Fixed, 95% CI) ‐18.6 [‐27.52, ‐9.68]
4 Stillbirth 3 233 Risk Ratio (M‐H, Fixed, 95% CI) 0.31 [0.03, 2.84]
5 Fetal distress/asphyxial event 5 304 Risk Ratio (M‐H, Random, 95% CI) 0.67 [0.22, 2.02]
6 Subgroup analysis ‐ fetal distress/asphyxial events 1 94 Risk Ratio (M‐H, Fixed, 95% CI) 0.71 [0.15, 3.40]
6.1 Bile acid levels < 40 µmol/L 1 71 Risk Ratio (M‐H, Fixed, 95% CI) 1.03 [0.15, 6.90]
6.2 Bile acid levels ≥ 40 µmol/L 1 23 Risk Ratio (M‐H, Fixed, 95% CI) 0.31 [0.01, 6.85]
7 Bile acid reduction, µmol/L 1   Mean Difference (IV, Fixed, 95% CI) Subtotals only
7.1 At 20 days 1 16 Mean Difference (IV, Fixed, 95% CI) 30.4 [23.32, 37.48]
8 ALT, IU/L 2 83 Mean Difference (IV, Random, 95% CI) ‐109.00 [‐182.48, ‐39.51]
8.1 At two weeks 1 68 Mean Difference (IV, Random, 95% CI) ‐90.21 [‐101.96, ‐78.46]
8.2 At three weeks 1 15 Mean Difference (IV, Random, 95% CI) ‐175.0 [‐294.23, ‐55.77]
9 ALT, IU/L 1 16 Mean Difference (IV, Fixed, 95% CI) ‐50.88 [‐75.14, ‐26.62]
9.1 At 20 days 1 16 Mean Difference (IV, Fixed, 95% CI) ‐50.88 [‐75.14, ‐26.62]
10 ALT reduction, IU/L 1 16 Mean Difference (IV, Fixed, 95% CI) 121.0 [100.93, 141.07]
10.1 At 20 days 1 16 Mean Difference (IV, Fixed, 95% CI) 121.0 [100.93, 141.07]
11 Caesarean section 4 210 Risk Ratio (M‐H, Fixed, 95% CI) 1.00 [0.82, 1.23]
12 Postpartum haemorrhage 2 127 Risk Ratio (M‐H, Fixed, 95% CI) 0.77 [0.20, 2.98]
13 Adverse effects 3 220 Risk Ratio (M‐H, Fixed, 95% CI) 1.32 [0.66, 2.63]
14 Meconium‐stained liquor 3 274 Risk Ratio (M‐H, Random, 95% CI) 0.56 [0.24, 1.30]
15 Mean gestational age at birth 3 142 Mean Difference (IV, Random, 95% CI) 2.68 [‐0.13, 5.48]
16 Spontaneous birth at less than 37 weeks 2 109 Risk Ratio (M‐H, Fixed, 95% CI) 0.99 [0.41, 2.36]
17 Total preterm birth at less than 37 weeks 2 179 Risk Ratio (M‐H, Fixed, 95% CI) 0.46 [0.28, 0.73]
18 Admission to neonatal intensive care unit 1 124 Risk Ratio (M‐H, Fixed, 95% CI) 0.48 [0.18, 1.31]