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Table 1 Characteristics of enrolled patients (n = 1021) separated by localization of OA

From: Osteoarthritis: quality of life, comorbidities, medication and health service utilization assessed in a large sample of primary care patients

  total Hip Knee
   Men Women Men Women
Number of participants 1021 191 236 156 438
Mean (SD) age (y) 66.1 (15.1) 64.3 (14.8) 65.3 (14.5) 66.5 (15.4) 67.1 (15.4)
Disease duration (years) 13.7 (13.0) 11.7 (10.8) 12.3 (12.1) 14.1 (12.9) 15.2 (14.2)
Body mass index (kg/m2) 28.3 (4.7) 27.4 (3.7) 27.1 (4.5) 28.6 (3.4) 29.2 (4.8)
AIMS2-SF dimensions:
Lower body ** 2.64 (2.04) 2.19 (1.97) 2.22 (2.25) 2.81 (2.71) 3.01 (2.95)
Upper body 1.21 (2.02) 1.02 (1.86) 1.19 (1.17) 1.09 (1.77) 1.34 (2.32)
Symptom ** 4.71 (2.42) 4.21 (2.13) 4.37 (2.19) 4.68 (2.83) 5.12 (2.91)
Affect ** 2.77 (1.51) 2.39 (1.42) 2.81 (1.48) 2.52 (1.50) 3.01 (1.59)
Social 4.57 (1.95) 4.26 (1.88) 4.44 (1.72) 4.45 (1.90) 4.82 (2.03)
PHQ-9 sum score 15.7 (4.69) 14.9 (4.33) 15.9 (4.86) 15.4 (5.02) 16.1 (5.32)
Unilateral OA (%) 150 (13.8) 32 (16.7) 41 (17.3) 32 (20.5) 45 (10.2)
Number (%) with bilateral OA 871 (84.5) 159 (83.2) 195 (82.6) 124 (79.5) 393 (89.7)
Number (%) with generalized OA 282 (25.4) 26 (13.6) 57 (24.1) 33 (21.1) 166 (37.8)