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. Author manuscript; available in PMC: 2017 Mar 1.
Published in final edited form as: Osteoarthritis Cartilage. 2015 Oct 20;24(3):443–450. doi: 10.1016/j.joca.2015.10.007

Table 1.

Hip (n=239) Characteristics at Baseline by Case/Control Status

Characteristic Case (n=71) n(%) or mean (SD) Control (n=168) n(%) or mean (SD)
Sex*
    Women 54 (76%) 126 (75%)
    Men 17 (24%) 42 (25%)
Race*
    White 51 (72%) 125 (74%)
    African American 20 (28%) 43 (26%)
Side
    Right 47 (66%) 73 (43%)
    Left 24 (34%) 95 (57%)
Age (years) 63 (8) 62 (9)
BMI (kg/m2) 30 (6) 30 (5)
Height (cm) 165 (9) 166 (9)
Baseline KL grade
    0 4 (6%) 26 (15%)
    1 22 (31%) 94 (56%)
    2 45 (63%) 48 (29%)
Groin pain present 17 (24%) 12 (7%)
Hip Symptoms present 20 (28%) 38 (23%)
History of Hip Injury 2 (3%) 3 (2%)
*

groups selected to be comparable for sex and race

For BMI, n=237; for height, n=237; for hip symptoms, n=238