Texture analysis of cartilage T2 maps: individuals with risk factors for OA have higher and more heterogeneous knee cartilage MR T2 compared to normal controls - data from the osteoarthritis initiative

Table 1 Subject characteristics

Characteristic	Incidence cohort	Control cohort	Pvalue
Number of subjects	92	53
Age in years, mean ± SD	50.65 ± 2.89	50.30 ± 3.03	0.49^a
Body mass index in kg/m², mean ± SD	23.78 ± 2.25	23.90 ± 2.23	0.78^a
Number of females	50	36	0.10^b
WOMAC pain score	0	0
Kellgren-Lawrence score	0	0

^aRegression model; ^bPearson chi-square test. SD, standard deviation; WOMAC, Western Ontario and McMaster Universities Osteoarthritis Index.

ISSN: 1478-6362