Table 1.
Demographic and clinical data of the study population
| ICSI group | IMSI group | Statistical comparison | |
|---|---|---|---|
| Number of cycles | 127 | 89 | |
| Female age | 35.2 ± 3.7 | 34.8 ± 4.0 | NS |
| Male age | 37.9 ± 5.3 | 38.4 ± 5.5 | NS |
| Infertility duration (months) | 64 ± 27 | 65 ± 27 | NS |
| Sperm parameters | |||
| Volume (mL) | 3.7 ± 1.7 | 3.5 ± 1.5 | NS |
| Sperm count (106/mL) | 35.5 ± 64.2 | 42.7 ± 73.4 | NS |
| Progressive motility (%) | 22 ± 15 | 26 ± 17 | NS |
| Vitality (%) | 64 ± 16 | 67 ± 17 | NS |
| Normal morphology (Kruger) (%) | 7 ± 6 | 6 ± 5 | NS |
| Number of motile spermatozoa (×106) recovered after preparation | 4.3 ± 9.0 Median 0.92 Range [0.002–72] |
8.9 ± 27.3 Median 1.46 Range [0.005–76] |
NS |
Values are expressed as mean +/− SD. P < 0.05 is considered significant
ICSI intracytoplasmic sperm injection, IMSI intracytoplasmic morphologically selected sperm injection, NS not significant