Table I.
Baseline characteristics of study cohort (n = 260 trans women).
| n | Mean (SD) or Median (IQR) | Percentage (n) | Dutch reference values* | |
|---|---|---|---|---|
| Age at time of fertility preservation (years) | 260 | 24.0 (IQR 20.0–29.5) | ||
| Testosterone (nmol/l) | 181 | 19.1 (SD 6.7) | 9–30 | |
| Estradiol (pmol/l) | 179 | 87.4 (SD 24.7) | 12–177 | |
| LH (U/l) | 177 | 3.5 (SD 2.1) | 1–8.4 | |
| FSH (U/l) | 18 | 4.1 (SD 4.0) | 1–10.5 | |
| BMI (kg/m2) | 200 | 22.7 (SD 3.8) | ||
| Underweight: <18.5 | 9.0% (18) | 3.9% | ||
| Normal weight: 18.5–25.0 | 65.5% (131) | 63.6% | ||
| Overweight: >25.0 | 25.5% (51) | 32.5% | ||
| Alcohol | 214 | |||
| Non drinker | 44.4% (95) | 14.6% | ||
| Current drinker | 55.6% (119) | 85.4% | ||
| Units/week | 100 | 2.0 (IQR 1.0–4.0) | 9.1 | |
| Smoking | 121 | |||
| Never | 52.9% (64) | 57.1% | ||
| Previous smoker | 9.9% (12) | 12.7% | ||
| Current smoker | 37.2% (45) | 30.2% | ||
| Cig/day | 45 | 10.0 (IQR 5.0–15.0) | 6.9 | |
| Cannabis | 170 | |||
| Never | 84.1% (143) | |||
| Weekly | 5.9% (10) | 9.9% | ||
| Sporadically | 10.0% (17) | 19.0% | ||
| Previous hormone use | 260 | |||
| Yes | 4.6% (12) | |||
| No | 95.4% (248) | |||
| History of anxiety or depression | 260 | |||
| Yes | 13.1% (34) | |||
| No | 86.9% (226) | |||
| History of inguinal hernia or cryptorchidism | 260 | |||
| Yes | 5.0% (13) | |||
| No | 95.0% (247) |
*
Data on BMI, alcohol consumption, smoking and cannabis use are obtained from the online database of Statistics Netherlands (CBS, 2018).
IQR, interquartile range.