Table 5 – Cycles with and without LH supplementation: number of mature oocytes (MII)
Trail r-FSH +r-LH r-FSH WMD 95%CI fixed
n mean±sd n mean±sd
Levi-Setti 2005 18 6.9±2.1 18 6.5±2.4 0.4 -1.1, 1.9
Griesinger 2005 46 6.57±4.17 41 6.49±4.26 0.08 -1.7, 1.8
Sauer 2004 21 14.6±9.5 21 13.7±6.8 0.9 -4.1, 5.9
Acevedo 2004 22 7.4±1.6 20 5.2±2.4 2.2 0.98, 3.4
Cédrin-Durnerin 2004 107 8.2±4.1 93 7.8±4.0 0.4 -0.73, 1.53
Total. 214 193
Pooled effect size
Fixed effects (Mulrow-Oxman)
0.88 0.21, 1.54

Z (test WMD + differs from 0)= 2.58 p = 0.0098
Non-combinability of studies
-Cohran Q = 6.196684 (df = 4) p= 0.18