Table 1.

Summary of demographic data in 21 subjects.

Sex
male	11
female	10
Age (years) (initial visit)	0.5 ± 0.3
Age (years) (final follow-up)	8.2 ± 3.5
Hydrocephalus	5 (23.8)
Growth hormone	19 (90.5)
Ventriculoperitoneal shunt	1 (4.8)
Foramen magnum decompression	3 (14.3)
Brace treatment	4 (19.0)
Age (months) of independent walking	21.2 ± 12.2

Data are shown as mean ± standard deviation or number (percentage) of patients