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. Author manuscript; available in PMC: 2020 Jun 1.
Published in final edited form as: Fertil Steril. 2019 Apr 12;111(6):1129–1134. doi: 10.1016/j.fertnstert.2019.01.034

Table 1.

Patient characteristics of male partners of couples with unexplained infertility

All TT<264
ng/dL
TT≥264
ng/dL
p-value
Age (years) 34.2 (±5.7) 34.6 (±4.9) 34.2 (±5.8) 0.45
BMI (kg/m2) 28.9 (±5.7) 31.7 (±6.8) 28.4 (±5.3) <0.001
n (%) n (%) n (%)
Reporting secondary infertility 286 (37.2%) 34 (31.5%) 252 (38.2%) 0.18
Education: College/graduate degree 426 (55.6%) 62 (57.4%) 364 (55.3%) 0.69
Smoker: 0.53
 Never 414 (54.0%) 53 (49.1%) 361 (54.8%)
 Past 253 (33.0%) 40 (37.0%) 213 (32.3%)
 Current 100 (13.0%) 15 (13.9%) 85 (12.9%)