Table 2 - Cycles with and without LH supplementation: total amount of r-FSH administered
Trail rec FSH +rec LH rec FSH WMD 95%CI fixed
n mean±sd (UI) n mean±sd(UI)
Tarlatzis
2006
55 1837.5±802.5 57 1755±682.5 82.5 -193, 358
Humaidan
2004
116 2008±776 115 1997±749 11 -185.7, 207.7
Marrs
2004
212 2161.4±716.55 219 2266.4±826.21 -105 -251.2, 41.2
Lisi
2002
122 2998±112 331 3201±198 -203 -240.2,-165.8
Total 505 722
Pooled effect size
Fixed effects (Mulrow-Oxman)
-192 -220,-164

Z (test WMD + differs from 0)= -13.4 p<0.0001
Non-combinability:
-Cohran Q= 9.79 (df = 3) p= 0.02