Table 1 Participant characteristics.

From: MRI-based analysis of thigh intramuscular fat and its associations with age, sex, and BMI using data from the osteoarthritis initiative data

Participant characteristics

Summary

N

710

Age (years)

59.8 (9.0)

Sex

 Males

316 (44.5%)

 Females

394 (55.5%)

BMI (kg/m2)

27.1 (4.3)

KL grade, right knee

 0

523 (73.6%)

 1

187 (26.4%)

KL grade, left knee

 0

523 (73.6%)

 1

187 (26.4%)

WOMAC Pain Score, right knee*

0 [1]

WOMAC Pain Score, left knee*

0 [1]

RHOA, right hip

 None

639 (90.0%)

 Possible

71 (10.0%)

RHOA, left hip

 None

642 (90.4%)

 Possible

68 (9.6%)

Flexion max force, right knee [N]

152.5 (69.6)

Flexion max force, left knee [N]

151.3 (71.3)

Extension max force, right knee [N]

378.4 (131.8)

Extension max force, left knee [N]

355.0 (127.9)

  1. Continuous Variables: Mean (Standard deviation); Categorical Variables: Frequency (Percent %). OA Osteoarthritis, WOMAC Western Ontario and McMaster Universities Arthritis Index, KL Kellgren Lawrence, RHOA Radiographic Hip OA.
  2. *Note that median [IQR] are listed for WOMAC pain scores.
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