Table 6 - Cycles with and without LH supplementation: clinical pregnancy rate per oocyte retrieval
Trail rec FSH +rec LH rec FSH %Weights Odds ratio 95%CI fixed
Tarlatziz
2006
9/55 14/57 10.4 0.60 0.21, 1.68
Humaidan
2004
42/116 35/115 20.3 1.3 0.72, 2.33
Marrs
2004
90/204 91/202 46.4 0.96 0.64, 1.45
Lisi
2004
30/122 62/331 58.9 1.41 0.83, 2.38
Total 171/497 202/705
Pooled odds ratio Fixed effects
(Mantel-Haenszel, Robins-Breslow-Greenland)
1.1 0.85, 1.42

Chi2 (test odds ratio differs from 1) = 0.41 p = 0.52
Non-combinability of studies
-Breslow-Day= 3.42 (df= 3) p= 0.33
-Cochran Q= 3.39 (df= 3) p= 0.34