Summary statistics for the Turner and reference samples
| Turner | Reference | |||
|---|---|---|---|---|
| Count/mean | SD | Count/mean | SD | |
| Total sample size (n) | 777 | 489 | ||
| Total number of measurements | 9660 | 7319 | ||
| Mean number of measurements per girl | 12.4 | 15.0 | ||
| Mean height for age SDS (ages 0–10 y) | −2.44 | 1.13 | −0.31 | 1.05 |
| Mean weight for age SDS (ages 0–10 y) | −1.74 | 1.28 | −0.12 | 1.05 |
| Mean weight for height SDS (ages 0–10 y) | −0.06 | 1.29 | 0.12 | 1.04 |
| Mean BMI for age SDS (ages 0–10 y) | −0.19 | 1.27 | 0.11 | 1.04 |
| Height of both father and mother known | 357 | 203 | ||
| Height of only one parent known | 3 | 10 | ||
| Height of both parents unknown | 417 | 276 | ||
| Mean father’s height (cm) | 179.4 | 7.50 | 178.4 | 7.57 |
| Mean mother’s height (cm) | 166.4 | 6.29 | 166.7 | 7.38 |
| Target height (cm) | 169.7 | 5.89 | 170.6 | 5.70 |
| Target height SDS | 0.06 | 0.82 | 0.01 | 0.88 |
| Gestational age (weeks) | 38.9 | 2.07 | 39.7 | 1.61 |
| Dysmorphic features (%) (n = 145) | ||||
| Cubitus valgus | 31 | |||
| Large inter-nipple distance | 29 | |||
| Low hair implantation | 21 | |||
| Webbed neck | 19 | |||
| Karyotype (%) (n = 327) | ||||
| 45,X | 62 | |||
| 46,X,iX or 46,X,idic(X) | 5 | |||
| 45,X and 46,XX | 5 | |||
| 45,X and (46,X,iX or 46,X,idic(X)) | 12 | |||
| Other | 16 | |||
| Median age of diagnosis of TS (years) (n = 46) | ||||
| 45,X (n = 27) | 6.9 | 4.94 | ||
| Other (n = 19) | 10.4 | 4.81 | ||