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Table 2 Clinical characteristics of knee osteoarthritis

From: Quality of life and treatment satisfaction with pharmacological interventions in Chinese adults with chronic pain due to osteoarthritis

Characteristics N = 601
Age at first diagnosis, mean (SD) 58.13 (9.62)
Location at first diagnosis, n (%)
 Unilateral knee 290 (48.33)
 Bilateral knee 278 (46.33)
 Others (shoulders, elbows, hips, etc.) 32 (5.33)
Current department, n (%)
 Rheumatology 155 (25.79)
 Orthopedics 326 (54.24)
 Pain 120 (19.97)
Brief Pain Inventory score, mean (SD)
 Pain Severity (full score: 10) 3.78 (1.62)
 Pain Interference (full score: 10) 2.97 (1.70)
Treatment pattern, n (%)
 Oral medication (Western/traditional Chinese medicine) 469 (78.04)
 Patch/ointment 271 (45.09)
 Intra-articular hyaluronic acid injection 189 (31.45)
 Intra-articular steroid injection 125 (20.8)
 Physiotherapy (electrotherapy/hyperthermia) 88 (14.64)
 Kinesitherapy (rehabilitation treatment) 22 (3.66)
 Orthoses (cane, etc.) 4 (0.67)
 Others 30 (4.99)
Average weekly days of paid work or housework loss due to osteoarthritis, mean (SD) in the past month
 0 day 235 (39.30)
 1 day 44 (7.36)
 2–3 days 97 (16.22)
  ≥ 4 days 222 (37.12)
  1. n number of subjects, SD standard deviation