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Table 4 WOMAC pain score at baseline (D0) and endpoint (D180) according to weight status and OARSI radiological grade, in patients fulfilling the OMERACT-OARSI response criteria

From: Impact of obesity, structural severity and their combination on the efficacy of viscosupplementation in patients with knee osteoarthritis

Group
WOMAC A
ALL
N = 113
NON
OBESE
N = 91
OBESE
N = 22
OARSI
1–2
N = 73
OARSI
3
N = 40
NON
OBESE OARSI 1–2
N = 61
OBESE OARSI 3
N = 10
P value
Baseline
D0
9.9
(3.3)
9.8
(3.4)
10.1
(2.6)
9.9
(3.5)
9.8
(2.9)
9.8
(3.7)
10.0
(3.1)
All > 0.5
Endpoint
D180
3.3
(2.7)
3.3
(2.8)
3.2
(2.2)
3.2
(2.7)
3.4
(2.6)
3.2
(2.8)
3.4
(2.7)
All > 0.5
Difference
D0-D180
−6.5
(3.2)
−6.9
(2.8)
−6.7
(3.4)
− 6.4
(2.6)
− 6.4
(2.6)
−6.6
(3.4)
−6.7
(2.3)
All > 0.5
  1. WOMAC Western Ontario & McMaster Universities Osteoarthritis Index: pain (range 0-20), OARSI OsteoArthritis Research Society International score for joint space narrowing (range 0-3)