Table 2. Clinical and demographic factors of men undergoing testicular and epididymal sperm retrieval procedures.
| Variable | MESA/TESE | TESE |
|---|---|---|
| Demographics | ||
| Total, N* | 10 | 28 |
| Age, yr, mean (SD) | 41.9 (11.0) | 35.1 (7.1) |
| Tobacco, N (%) | 2 (20.0) | 3 (10.7) |
| BMI, mean (SD) | 27.4 (3.8) | 30.5 (12.9) |
| Clinical and operative factors | ||
| Testicle size, mL, mean (SD) | 18.4 (1.4) | 14.7 (4.5) |
| OA | 18.4 (1.4) | 15.5 (3.6) |
| NOA/SO | 13.7 (5.3) | |
| OA vs. NOA, N (%) | ||
| OA | 10 (100.0) | 15 (53.6) |
| NOA/SO | 0 (0) | 13 (46.4) |
| Azoospermia | 6/13 (46.2) | |
| Conc <1 mil/mL | 7/13 (53.9) | |
| FSH, IU/mL, mean (SD) | 7.3 (4.5) | 8.8 (8.5) |
| OA | 7.3 (4.5) | 4.4 (1.8) |
| NOA/SO | 15.2 (10.5) | |
| LH, IU/L, mean (SD) | 4.1 (1.4) | 5.4 (2.4) |
| OA | 4.1 (1.4) | 5.1 (2.3) |
| NOA/SO | 5.6 (2.6) | |
| Sperm conc (pre-op), mil/mL, median | 0 | 0.00045 |
| No. electing clinic, N (%)* | 9 (90.0) | 24 (92.0) |
| Results | ||
| Sperm retrieved, N (%) | 10/10 (100.0) | 23/28 (82.1) |
| OA | 10 (100.0) | 15/15 (100.0) |
| NOA/SO | 8/13 (61.5) | |
*, based on number of procedures performed after clinical option available; Mil, million; NOA, non-obstructive azoospermia; OA, obstructive azoospermia; SO, severe oligospermia, conc, concentration.