Table 4 - Cycles with and without LH supplementation: number of retrieved oocytes.
Trail rec FSH +rec LH rec FSH WMD 95%CI fixed
n mean±sd n mean±sd
Tarlatzis
2006
55 10.1±5.4 57 9.8±7.0 0.3 -2.02,2.62
Humaidan
2004
116 9.3±5.4 115 10.0±4.7 -0.7 -2.00,0.60
Marrs
2004
212 13.6±6.8 219 14.1±7.5 -0.5 -1.85,0.85
Lisi
2002
122 7.0±0.32 331 6.97±0.20 0.03 -0.02,0.08
Total 505 722
Pooled effect size
Fixed effects (Mulrow-Oxman)
0.03 -0.03, 0.09

Z (test WMD + differs from 0)=0.89 p=0.37
Non-combinability:
-Cohran Q= 1.84 (df=3) p=0.61