Table 1.
Baseline characteristics of women belonging to the two groups
| Characteristics | Group 20 % O2 + 5 % O2 | Group 5 % O2 | p |
|---|---|---|---|
| n = 214 | n = 188 | ||
| Age (years) | 36.2 ± 4.3 | 36.3 ± 4.0 | 0.76 |
| Primary infertility | 133 (62 %) | 128 (68 %) | 0.22 |
| Stimulation protocol | 0.28 | ||
| Long protocol | 81 (38 %) | 58 (31 %) | |
| GnRH antagonist | 64 (30 %) | 64 (34 %) | |
| Flare up | 62 (29 %) | 64 (34 %) | |
| Other | 7 (3 %) | 2 (1 %) | |
| Number of previous IVF-ICSI cycle | 0.14 | ||
| 0 | 75 (35 %) | 81 (43 %) | |
| 1–2 | 118 (55 %) | 94 (50 %) | |
| 3 or more | 21 (10 %) | 13 (7 %) | |
| Indication | 0.42 | ||
| Unexplained / reduced ovarian reserve | 82 (38 %) | 80 (43 %) | |
| Male factor | 67 (31 %) | 60 (32 %) | |
| Tubal Factor / endometriosis | 46 (20 %) | 30 (16 %) | |
| Anovulatory | 4 (2 %) | 1 (1 %) | |
| Mixed | 15 (7 %) | 17 (9 %) |
Data are reported as mean ± standard deviation or number (Percentage)