Table 3.

Differences between normal and high TRAP5b groups

	Normal TRAP5b	High TRAP5b	p value
	group (N = 20)	group (N = 29)
Age	16.2 +/−1.7	14.5 +/−2.0	0.01
Menarche (age)	12.2+/−1.3	12.3 +/−1.0	0.58
BMI (kg/cm2)	20.2 +/−2.2	17.9 +/−2.0	<0.01
Cobb angle (degrees)	35.1 +/−12.2	41.1 +/−14.0	0.29
Lumbar spine Z score	−1.0 +/−1.0	−1.4 +/−1.1	0.12
The lowest femoral Z scores	−0.8 +/−0.7	−1.4 +/−0.9	0.02

TRAP5b = tartrate-resistant acid phosphatase serum band 5.