Table 1 Baseline characteristics
From: Total fertilization failure and idiopathic subfertility
IVF after unsuccessful IUI (n = 45) | IVF immediately (n = 58) | p-value | |
|---|---|---|---|
Female age in years | 33.3 (3.9) | 32.6 (3.7) | 0.32 |
Duration of subfertility in years | 5.2 (2.0) | 4.7 (2.0) | 0.22 |
Primary subfertility (%) | 33 (73%) | 45 (78%) | 0.62 |
Secondary subfertility (%) | 12 (27%) | 13 (22%) |