Table 1 |
|||
|
Subject characteristics |
|||
|
Characteristic |
Incidence cohort |
Control cohort |
P value |
|
|
|||
|
Number of subjects |
92 |
53 |
|
|
Age in years, mean ± SD |
50.65 ± 2.89 |
50.30 ± 3.03 |
0.49a |
|
Body mass index in kg/m2, mean ± SD |
23.78 ± 2.25 |
23.90 ± 2.23 |
0.78a |
|
Number of females |
50 |
36 |
0.10b |
|
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. |
|||
|
Joseph et al. Arthritis Research & Therapy 2011 13:R153 doi:10.1186/ar3469 |
|||
