Table 1 Clinicopathological variables of the patient cohort
Clinical parameters | Number | Percentage |
|---|---|---|
Number of subjects | 850 | 100 |
Age – median (range), years | 41 (19–63) | |
Ethnic group | ||
African-Canadian | 28 | 3.3 |
Asian | 68 | 8.0 |
Caucasian | 271 | 31.9 |
Hispanic | 11 | 1.3 |
Indo-Canadian | 11 | 1.3 |
Middle Eastern | 27 | 3.2 |
Native-Canadian | 11 | 1.3 |
Unspecified/unavailable | 423 | 49.8 |
Diagnosis (sperm count in million/mL) | ||
Pre-vasectomy | 67 (>15) | 7.9 |
Post-vasectomy | 63 (0) | 7.4 |
Unexplained infertility | 283 (15–360) | 33.3 |
Oligospermia | 276 (0.01–15) | 32.5 |
Azoospermia | 20 (0–0.5) | 2.3 |
Non-obstructive azoospermia | 100 (0–0.24) | 11.8 |
Obstructive azoospermia | 39 (0–0.18) | 4.6 |
Unknown diagnosis | 2 | 0.2 |