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Table 4 Correlations among the wrist ROM, Sharp score for the wrists, and the variables used in this study (N = 102)

From: Motion analysis of the wrist joints in Chinese rheumatoid arthritis patients: a cross-sectional study

Variable

Sharp score for the wrists

Wrist volar flexion Ç‚ (degrees)

Wrist dorsal flexion Ç‚ (degrees)

Wrist ulnar deviation Ç‚ (degrees)

Wrist radial deviation Ç‚ (degrees)

r

P

r

P

r

P

r

P

r

P

Gender

0.15

0.129

0.02

0.858

0.03

0.746

0.03

0.775

0.18

0.065

Age, years

−0.08

0.451

−0.17

0.096

− 0.08

0.434

− 0.04

0.659

− 0.04

0.713

BMI, kg/m2

−0.06

0.561

−0.03

0.794

−0.12

0.233

−0.08

0.454

−0.08

0.404

Disease duration, years

0.47**

0.000

−0.30**

0.002

−0.46**

0.000

−0.39**

0.000

−0.13

0.200

Education, years

−0.07

0.515

0.26**

0.008

0.20*

0.048

0.21*

0.037

0.16

0.118

Employment status

−0.22*

0.025

0.26*

0.008

0.07

0.458

0.25*

0.012

0.04

0.660

Income/person/month, Yuan

−0.31**

0.002

0.40**

0.000

0.31**

0.002

0.30**

0.002

0.12

0.224

Health insurance

0.05

0.624

0.12

0.248

0.25*

0.012

0.22*

0.027

0.16

0.108

Comorbid condition

0.23*

0.021

−0.18

0.078

−0.27**

0.006

−0.26**

0.007

−0.12

0.215

VAS pain

0.31**

0.002

−0.41**

0.000

−0.40**

0.000

−0.43**

0.000

−0.34**

0.001

28-TJC

0.12

0.229

−0.30**

0.003

−0.30**

0.002

−0.28**

0.005

−0.20*

0.043

28-SJC

0.16

0.102

−0.23*

0.021

−0.25*

0.011

−0.13

0.195

−0.21*

0.038

DAS28

0.27*

0.017

−0.32**

0.001

−0.30**

0.002

−0.31**

0.002

−0.39**

0.000

NAIDS usage

−0.02

0.866

−0.05

0.634

−0.04

0.702

0.00

0.976

0.05

0.627

DMARDs usage

0.00

0.995

0.08

0.438

−0.01

0.958

−0.07

0.477

−0.05

0.604

Corticosteroids usage

0.06

0.529

−0.17

0.080

−0.27**

0.007

−0.11

0.258

−0.06

0.547

Biologics usage

0.04

0.456

0.08

0.438

0.00

0.949

0.05

0.567

0.05

0.447

ESR, mm/h

0.14

0.161

−0.21*

0.039

−0.20*

0.041

−0.24*

0.014

−0.38**

0.000

CPR, mg/L

0.12

0.214

- 0.24*

0.014

−0.29**

0.003

−0.27**

0.006

−0.36**

0.000

RF positivity

0.14

0.155

−0.05

0.619

−0.08

0.448

−0.14

0.163

−0.28**

0.005

Grip strength Ç‚ (kg)

−0.39**

0.000

0.40**

0.000

0.37**

0.000

0.47**

0.000

0.37**

0.000

Pinch strength Ç‚ (kg)

−0.30**

0.002

0.29**

0.003

0.25*

0.013

0.32**

0.001

0.24*

0.017

HAQ score

0.35**

0.000

−0.49**

0.000

−0.49**

0.000

−0.47**

0.000

−0.41**

0.000

HADS-anxiety score

0.16

0.109

−0.10

0.322

−0.25*

0.012

−0.06

0.555

−0.24*

0.019

HADS-depression score

0.05

0.610

−0.21*

0.040

−0.20*

0.047

−0.12

0.250

−0.23*

0.020

PCS score

−0.25*

0.011

0.41**

0.000

0.38**

0.000

0.31**

0.002

0.29**

0.003

MCS score

−0.22*

0.023

0.26**

0.008

0.32**

0.001

0.21*

0.030

0.19

0.113

  1. ǂ Mean of right and left sides. BMI Body mass index, VAS Visual analog scale, TJC Tender joint count, SJC Swollen joint count, DAS28 Disease activity score in 28 joints, NSAID Nonsteroidal anti-inflammatory drugs, DMARD Disease modifying antirheumatic drugs, ESR Erythrocyte sedimentation rate, CRP C-reactive protein, RF Rheumatoid factor, HAQ Health assessment, questionnaire, HADS Hospital anxiety and depression scale, PCS Physical components summary, MCS Mental components summary. *P < 0.05, **P < 0.01