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Table 1 Demographic and Clinical Characteristics at Baseline of the Placebo-Controlled Phase

From: Maintenance of effect of duloxetine in Chinese patients with pain due to osteoarthritis: 13-week open-label extension data

Variable DLX_DLX PLA_DLX
N = 166 N = 176
Age, years, mean (SD) 61.2 (8.0) 60.0 (8.3)
Gender, n (%)
 Female 130 (78.3) 130 (73.9)
BMI, kg/m2, mean (SD) 25.5 (3.2) 25.3 (3.6)
Location of OA, n (%)
 Hip 0 1 (0.6)
 Knee 166 (100.0) 175 (99.4)
Duration of OA pain, years, mean (SD) 7.7 (6.6) 7.6 (6.9)
BPI 24-h average pain, mean (SD) 5.6 (1.3) 5.5 (1.2)
BPI–Interference average rating, mean (SD) 3.6 (2.0) 3.6 (1.9)
  1. Abbreviations: BMI body mass index, BPI brief pain inventory, DLX duloxetine, N number of patients in group, n number of patients, OA osteoarthritis, PLA placebo, SD standard deviation