Table 1.
Main characteristics of the patients and clinical-laboratory outcomes in IMSI and ICSI groups
| ICSI | IMSI | p-value | |||
|---|---|---|---|---|---|
| |
Count/medium |
d.s. |
Count/medium |
d.s. |
|
| N° of cycles |
281 |
|
51 |
|
|
| Women age at Pickup |
34,98 |
3,19 |
35,65 |
2,98 |
0,15 |
| Men age at Pickup |
37,61 |
5,47 |
39,51 |
5,23 |
0,02 |
| N° of ICSI attempts |
1,61 |
0,88 |
1,55 |
0,87 |
0,68 |
| Causes of infertility (%): |
|
|
|
|
|
| • Tubal factor |
8.5 |
|
9.8 |
|
|
| • Ovulatory |
5.3 |
|
1.9 |
|
|
| • Endometriosis |
7.5 |
|
7.8 |
|
|
| • Male factor |
36.6 |
|
39.2 |
|
|
| • Multiple factors |
20.9 |
|
19.6 |
|
|
| • Unexplained |
21 |
|
21.6 |
|
|
| N° of injected oocytes |
8,12 |
4,42 |
8,23 |
3,78 |
0,84 |
| Native sperm concentration (million/ml) |
23,58 |
29,34 |
27,75 |
32,29 |
0,39 |
| Native sperm motility rate (%) |
26,27 |
17,94 |
27,56 |
16,55 |
0,62 |
| Prepared sperm concentration (million/ml) |
16,12 |
23,94 |
21,1 |
21,46 |
0,14 |
| Prepared sperm motility (%) |
54,43 |
24,62 |
60,16 |
16,95 |
0,04 |
| 2 pronuclei day 1 |
6,27 |
3,72 |
6,59 |
3,57 |
0,57 |
| N° of transferred embryos |
1,86 |
0,38 |
1,87 |
0,33 |
0,85 |
| Implantation rate (%) |
16,83 |
|
16,67 |
|
0,97 |
| Fertilization rate (%) |
77,27 |
|
80,00 |
|
0,22 |
| Pregnancy rate (%) |
30,96 |
|
33,33 |
|
0,74 |
| Live birth rate (%) |
11,39 |
|
13,72 |
|
0,23 |
| Ongoing pregnancy rate (%) |
7,47 |
|
5,88 |
|
0,69 |
| Miscarriage rate (%) | 17,78 | 5,26 | 0,17 |