sPTB<34 weeks sPTB<34 weeks sPTB<34 weeks PTB<34 weeks PTB<34 weeks PTB<34 weeks
Comparison No. of studies with direct comparison NMA OR (95% CI) Confidence in result No. of studies with direct comparison NMA OR (95% CI) Confidence in result
Progesterone vs. control 329, 33,34 0.79 (0.45,1.41) Very low 728-34 0.88 (0.63,1.22) Very low
Pessary vs. control 58,41-44 0.78 (0.49,1.25) Low 68,40-44 0.76 (0.55,1.06) Moderate
P+P vs. control 0.68 (0.16,2.91) Very low 0.56 (0.17,1.82) Very low
17-OH vs. control 137 0.85 (0.26,2.75) Low 535-39 1.42 (0.92,2.20) Moderate
Progesterone vs. pessary 1.01 (0.48,2.12) Low 145 1.15 (0.75,1.74) Very low
Progesterone vs. P+P 17 1.16 (0.31,4.40) Very low 17 1.55 (0.50,4.79) Very low
Progesterone vs. 17-OH 0.93 (0.25,3.44) Low 0.62 (0.36,1.05) Low
Pessary vs. P+P 1.15 (0.25,5.25) Very low 1.35 (0.41,4.50) Very low
Pessary vs. 17-OH 0.92 (0.26,3.25) Low 0.54 (0.32,0.91) Low
P+P vs. 17-OH 0.80 (0.12,5.17) Very low 0.40 (0.11,1.38) Very low