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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)