| Table 2. Characteristics and ICSI outcomes for women aged ≤ 35 years according to air quality environment, ISO 7 versus ISO 5 | |||
| Characteristic | ISO 7 |
ISO 5 |
p value |
|---|---|---|---|
| Number of patients | 51 | 61 | |
| Age ‡ (years; mean ± SD) | 32.16 ± 2.58 | 32.1 ± 3.03 | NS |
| Retrieved MII oocytes ‡ |
7.92 ± 4.87 | 8.18 ± 4.94 | NS |
| Fertilization rate | 0.75 | 0.75 | NS |
| Cleavage rate | 0.95 | 0.96 | NS |
| Good quality embryos ‡ |
1.92 ± 0.96 | 1.89 ± 0.61 | NS |
| Embryos transferred ‡ |
2.49 ± 0.7 | 2.16 ± 0.4 | 0.0017 |
| Biochemical pregnancy rate | 0.35 | 0.57 | 0.0235 |
| Clinical pregnancy rate | 0.27 | 0.54 | 0.0068 |
| Implantation rate | 0.15 | 0.37 | 0.0006 |
Note: ‡ = Mann-Whitney test