Table 1.
Demographic information for the patient and control groups
| Subject | FMPP (n = 13) Mean (s.d.) |
Control (n = 39) Mean (s.d.) |
|---|---|---|
| Age (yr) | 12.7 (3.2) | 14.3 (2.5) |
| Bone age (yr)a | 14.7 (3.2) | – |
| Age range (yr) | 9–19 | 9–19 |
| Age of diagnosis | – | |
| Sex | Male | Male |
| Intelligence Quotient | 109 (14.0) | 116 (10.4) |
| Aggression rating (LHA) | 8.4 (5.3) | – |
| Anxiety rating (SCARED) | 13.3 (6.8) | – |
| Tanner stageb | 3.9 (1.1) | 3.4 (1.0) |
| Testosterone total (ng/dl) | 379 (168) | – |
| Testosterone free (ng/dl) | 43 (41) | – |
| Height (cm) | 157.9 (19.0) | – |
| Weight (kg) | 57.6 (28.3) | – |
| Body mass index | 21.8 (5.7) | – |
FMPP, Familial male precocious puberty; LHA, Lifetime History of Aggression scale; SCARED, Screen for Child Anxiety Related Emotional Disorders.
a
Note that chronological age equals bone age in healthy youth.
b
Information for Tanner stage of nine control subjects is missing.