Research Article
Clinical Pregnancy and Live Birth Outcomes after Intracytoplasmic Injection of Fresh versus Frozen Testicular Sperm
Table 1
Baseline characteristics of the two study groups.
| Characteristics | Fresh testicular sperm (N = 324) | Frozen testicular sperm (N = 144) | Wilcoxon | Z value | P value |
| Female age (year) | 32.00 (28.00, 36.00) | 31.00 (28.00, 35.00) | 0.529 | 0.597 | Male age (year) | 34.00 (30.25, 39.00) | 34.00 (30.00, 39.00) | 0.499 | 0.618 | Infertility factors | — | — | 1.786 | 0.181 | Only male factors | 283 (87.35%) | 130 (90.28%) | — | — | Male and female factors | 41 (12.65%) | 14 (9.72%) | — | — | No. of oocytes retrieved | 12.00 (7.00, 17.00) | 13.00 (6.00, 18.00) | 0.075 | 0.940 | FSH (mIU/ml) | 7.60 (6.47, 8.83) | 7.55 (6.33, 9.22) | 0.370 | 0.711 | LH (mIU/ml) | 4.08 (3.02, 5.73) | 4.19 (3.31, 5.53) | 0.600 | 0.549 | E2 (pg/ml) | 42.00 (32.00, 56.00) | 42.15 (32.00, 61.25) | 0.390 | 0.697 | Endometrial thickness (mm) | 11.20 (9.90, 13.60) | 10.85 (9.00, 13.00) | 1.848 | 0.065 |
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FSH, follicle-stimulating hormone; LH, luteinizing hormone; E2, estradiol.
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