Table 2 Spearman rank correlations between different scales

Pain verbal scale

r

1

0.88

0.82

0.73

p

0.001*

0.001*

0.001*

N

314

314

314

313

Pain hand scale

r

0.88

1

0.85

0.76

p

0.001*

0.001*

0.001*

N

314

315

315

314

Pain faces scale

r

0.82

0.85

1

0.79

p

0.001*

0.001*

0.001*

N

314

315

315

314

Pain Jerrycan scale

r

0.73

0.76

0.79

1

p

0.001*

0.001*

0.001*

N

313

314

314

314

Symptom verbal scale

Symptom hand scale

Symptom faces scale

Symptom Jerrycan scale

Symptom verbal scale

r

1

0.88

0.81

0.72

p

0.001*

0.001*

0.001*

N

314

314

313

312

Symptom hand scale

r

0.88

1

0.85

0.77

p

0.001*

0.001*

0.001*

N

314

314

313

312

Symptom faces scale

r

0.81

0.85

1

0.82

p

0.001*

0.001*

0

0.001*

N

313

313

313

311

Symptom Jerrycan scale

r

0.72

0.77

0.86

1

p

0.001*

0.001*

0.001*

N

312

312

311

312