Table 2.
Characteristics of the individuals participating in the studies included in the systematic review.
| Reference | Cohort size | Age | Males, n (%) | |
|---|---|---|---|---|
| Mean ± s.d. | Range | |||
| Al-Aubaidi et al. (47) | 7 | 15.4 (±4.1)* | 10.0–18.0 | 3 (43) |
| Brink et al. (49) | 62 | 15.6 ± 2.5 | 10.0–23.0 | 56 (90) |
| 62 | 15.6 ± 2.5 | 10.0–23.0 | 56 (90) | |
| Diefenbach et al. (46) | 25 | 14.6 (±1.6)* | 12.0–18.0 | 9 (36) |
| Geijer et al. (51) | 10 | |||
| Hirsch et al. (7) | 50 | 15.6 ± 1.9 | 10 (20) | |
| Lechner et al. (41) | 55 | |||
| Lee et al. (45) | 70 | 14.0 ± 2.0 | 10.0–18.0 | 30 (43) |
| Schell et al. (39) | 51 | 69.2 ± 10.3 | 4 (8) | |
| Shi et al. (44) | 80 | 14.4 ± 1.8 | 10.5–17.1 | 0 (0) |
| Tauchi et al. (43) | 20 | 11 (55) | ||
| Vavruch & Tropp (42) | 128 | 15.5 | 11.0–26.0 | 31 (24) |
| Wessberg et al. (48) | 30 | 13.6 | 12.0–16.0 | 1 (3) |
| Yazici et al. (50) | 25 | 14.2 | 10.0–16.0 | 8 (32) |
| Yeung et al. (40) | 33 | 18.4 ± 4.2 | 13.0–31.0 | 7 (21) |
*Values in parentheses have been calculated by the authors of the present study.
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