Table 1 - Cycles with and without LH supplementation: days of stimulation
Trail rec FSH +rec LH rec FSH WMD 95%CI fixed
n mean±sd n mean±sd
Tarlatzis
2006
55 9.7±2.3 57 9.9±3.2 -0.2 -1.24,0.84
Humaidan
2004
116 11.1±1.4 115 11.1±1.4 0 -0.36,0.36
Marrs
2004
212 9.3±1.6 219 9.5±2.0 -0.2 -0.54,0.14
Lisi
2002
122 12.57±0.15 331 12.77±0.27 -0.2 -0.25,-0.15
Total 505 722
Pooled effect size
Fixed effects (Mulrow-Oxman)
-0.198 -0.24,-0.16

Z (test WMD + differs from 0)= -9.96 p<0.0001
Non-combinability:
-Cohran Q= 1.16 (df = 3) p= 0.76