Table 1.

Subjects demographic and clinical characteristics

Variables	Total (n = 88)	Normal (n = 32)	Mild OA (n = 27)	Advanced OA (n = 29)	P value
Age(years)	52.2 ± 15.3	37.2 ± 9.4	56.5 ± 9.9	64.7 ± 9.9	< 0.001
Gender					0.44
Male	39(44.3%)	17((53.1%)	11(40.7%)	11(37.9%)
Female	49(55.7%)	15(46.9%)	16(59.3%)	18(62.1%)
BMI	24.6 ± 3.1	23.8 ± 2.6	24.9 ± 3.5	25.3 ± 2.8	0.13
Knee					0.66
Left knee	43(48.8%)	18(56.2%)	12(44.4%)	15(51.7%)
Right knee	45(51.2%)	14(43.8%)	15(55.6%)	14(48.3%)
MOKAS	3.44 ± 3.21	0.00	3.30 ± 1.13	7.38 ± 1.17	< 0.001

BMI Body mass index, MOKAS MRI Osteoarthritis Knee Score