Table 1. Characteristics of the sample (mean and standard deviations for age, education, IQ, hormonal level and sexual orientation) and group comparisons.
| Men | Women | MtF untreated | MtF treated | P (ANOVA) | |
| Age | 32.35 (10.27) | 33.16 (12.34) | 36.38 (14.02) | 30.19 (10.95) | 0.528 |
| Education | 15.00 (2.92) | 14.95 (3.21) | 14.50 (3.06) | 13.81 (3.04) | 0.646 |
| IQ | 112.45 (14.72) | 112.21 (16.14) | 113.13 (13.57) | 104.25 (6.81) | 0.204 |
| Sexual orientation D | P (Chi square) | ||||
| Heterosexual | 18 | 18 | 7 | 5 | |
| Homosexual | 1 | 0 | 7 | 9 | |
| Bisexual | 0 | 0 | 2 | 2 | |
| <0.001* | |||||
| Hormonal level | P (Kruskal-Wallis) | ||||
| 17-ß-Estradiol (pmol/l) | 88.62 (34.89) | 136.04 (134.52) | 91.67 (50.92) | 1400.10 (3137.44)A | <0.001* |
| FSH (U/l) | 5.35 (6.08) | 13.4 (24.97) | 4.62 (2.77) | 5.57 (9,99) | 0.055 |
| LH (U/l) | 5.76 (1.99) | 10.32 (15.26) | 5.30 (3.08) | 4.14 (9.72) | 0.011 |
| Progesterone (nmol/l) | 2.32 (1.01) | 4.46 (8.69) | 2.06 (1.04) | 1.7 (0.80) | 0.267 |
| Prolactin (mU/l) | 166.16 (58.41) | 195.42 (57.12) | 165.50 (65.25) | 571.46 (538.28)A | 0.001* |
| Sex steroid binding globulin (SHBG; nmol/l) | 27.88 (11.05)C | 127.83 (65.95)B | 40.28 (40.01)C | 91.19 (71.76) | <0.001* |
| Free testosterone (pmol/l) | 40.71 (14.32)C | 3.74 (2.33)B | 32.85 (13.64)C | 4.48 (5.97) | <0.001* |
Significant differences are marked in asterisk.
A
significant difference with respect to all three other groups, p = 0.008 Bonferroni corrected.
B
significant differences with respect to men and MtF untreated, p = 0.008 Bonferroni corrected.
C
significant differences with respect to MtF treated, p = 0.008 Bonferroni corrected.
D
respective data are missing in one man and one woman.