Table 1.

Characteristics of the Subjects.

	LDDG		CONTROL
Variable	Male	Female	Male	Female
Age (years)	19.9 ± 1.2	19.9 ± 1.3	19.8 ± 1.2	19.8 ± 1.1
Height (cm)	172.7 ± 7.0**	159.8 ± 6.0	170.5 ± 6.6**	160.3 ± 5.5
Weight (kg)	74.0 ± 15.6***	54.5 ± 6.6	68.01 ± 12.2***	53.9 ± 5.9
BMI (kg/m2)	24.7 ± 4.3**	21.3 ± 2.1	23.3 ± 3.6**	21.0 ± 1.8
Sport experience (years)	8.4 ± 3.6	9.5 ± 3.9	7.7 ± 3.1	9.6 ± 3.6

LDDG = subjects with lumbar disc degeneration; CONTROL = subjects without lumbar disc degeneration; BMI = body mass index.

^**Unpaired t-test, P < 0.01. ***Unpaired t-test, P < 0.001.