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. 2019 Oct 7;35(1):64–70. doi: 10.1002/jbmr.3862

Table 1.

Characteristics of the Study Population

Trans women aged < 50 years Trans women aged ≥ 50 years Trans men
No. of people 1089 934 1,036
Age (years) in 2015 38 (9) 60 (8) 40 (14)
Age (years) at start HT 26 (22–33) 40 (31–48) 25 (21–33)
Duration HT (years) 8 (3–16) 19 (11–29) 9 (2–22)
BMI (kg/m2) (n = 2756) 23.9 (4.2) 25.7 (4.6) 25.8 (4.9)
Smoking, % yes (n = 2614) 44.7 49.0 47.8
Gonadectomy, % yes 57.8 80.9 69.8
T‐score lumbar spine −1.13 (1.23) −0.91 (1.33) −0.18 (1.19)
T‐score total hip −0.77 (0.85) −0.67 (0.88) +0.04 (0.98)
T‐score femoral neck −0.99 (0.94) −1.19 (0.88) −0.30 (1.05)
Laboratory
Estradiol (pmol/L) 211 (132–308) 241 (138–391) 147 (102–205)
Testosterone (nmol/L) 1.2 (0.7–1.4) 1.3 (1.0–1.3) 25.0 (17.1–36.5)
LH (IU/L) 2.2 (0.2–9.7) 3.2 (0.3–8.4) 3.6 (0.9–11.5)

HT = hormonal treatment; BMI = body mass index; LH = luteinizing hormone. Characteristics are shown as mean with standard deviation, median with interquartile range, or percentage. Associations are shown as odds ratios (OR) with 95% confidence intervals (CI).

Laboratory measurements were available for 66% of the trans women and 72% of the trans men.