Table 2.
Embryologic outcomes of male patients with TESA or PESA
| TESA (n = 240) | Non-inflammatory PESA (n = 401) | Inflammatory PESA (n = 158) | P value | |
|---|---|---|---|---|
| Oocytes retrieved < 5, % (n) | 7.50 (18/240) | 8.73 (35/401) | 8.86 (14/158) | 0.838b |
| Oocytes retrieved | 11 (8, 15) | 12 (8, 16) | 12 (8, 16) | 0.092a |
| Metaphase II oocytes | 10 (7, 12) | 10 (7, 13) | 10 (7, 13) | 0.286a |
| Fertilized oocytes (2PN) | 7 (5, 9) | 7 (5, 10) | 7 (4.5, 10) | 0.264a |
| FR, % (n) | 72.19 (1659/2298) | 72.25 (2927/4051) | 73.83 (1179/1597) | 0.442b |
| 2PN cleavage zygotes | 7 (4.75, 9) | 7 (5, 10) | 7 (4.5, 10) | 0.273a |
| 2PNCR, % (n) | 99.16 (1645/1659) | 99.49 (2912/2927) | 99.32 (1171/1179) | 0.396b |
| High-quality embryoc,d | 3 (2, 5) | 4 (2, 6) | 4 (2, 6) | 0.004a |
| HQER, % (n)c,d | 49.43 (820/1659) | 56.03 (1640/2927) | 55.39 (653/1179) | < 0.001b |
Results are presented as the median and interquartile ranges, or % (n)
TESA testicular sperm aspiration, PESA percutaneous epididymal sperm aspiration, ANOVA analysis of variance, FR fertilization rate, 2PNCR 2PN cleavage rate, HQER high-quality embryo rate
P values in bold are statistically significant (<0.05)
aOne-way ANOVA
bPearson Chi-square test
cStatistically significant differences between TESA and non-inflammatory PESA
dStatistically significant differences between TESA and inflammatory PESA