Trials | Year | Expected observed | Expected total | Controls observed | Controls total | ERR (95% CI) | ERD (95% CI) | NNH (95% CI) |
---|---|---|---|---|---|---|---|---|
Durandet al 34 | 1995 | 2 | 23 | 1 | 20 | 1.74 (0.16, 19.18) | 3.70 (−11.27, 18.66) | |
Brozanskiet al 35 | 1995 | 0 | 39 | 0 | 39 | 1.00 (0.02, 50.40) | 0.00 (−4.99, 4.99) | |
Cummings et al 37 | 1989 | 0 | 12 | 0 | 11 | 0.92 (0.02, 46.20) | −0.38 (−17.09, 16.34) | |
Kari et al 36 | 1993 | 7 | 17 | 1 | 24 | 9.88 (1.22, 80.32) | 37.01 (12.29, 61.73) | |
Shinwell et al 31 | 1996 | 8 | 132 | 2 | 116 | 3.52 (0.75, 16.55) | 4.34 (−0.37, 9.05) | |
Rastogi et al 30 | 1996 | 1 | 36 | 1 | 34 | 0.94 (0.06, 15.10) | −0.16 (−7.98, 7.65) | |
Tapia et al 39 | 1996 | 3 | 55 | 2 | 54 | 1.47 (0.25, 8.81) | 1.75 (−6.08, 9.59) | |
Pooled [χ2 = 3.7 (df=6)] | 21 | 314 | 7 | 298 | 3.04 (1.34, 6.86) | 2.33 (−0.47, 5.13) | 42 (19, 212) |