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Table 1 The demographic characteristics of the participants at two stages

From: Chinese version of the Constant-Murley questionnaire for shoulder pain and disability: a reliability and validation study

Characteristic Prefinal group (n = 35) Validity group (n = 120)
Age, mean (S.D.), years 59.94 ± 9.21 55.64 ± 9.49
Age distribution 18–30 3 15
30–50 15 24
50–70 18 81
Gender Male 15 51
Female 20 69
Disease Scapulohumeral periarthritis 18 68
Rotator cuff injury 9 31
Bicipital tendinitis 3 6
Other 5 15
Disease duration, mean (S.D.),weeks 8.81 ± 9.20 27.98 ± 51.39
Side Left 16 55
Right 19 65
Stage Acute (<6 wk) 3 32
Sub-acute (6 wk.–3 mo) 9 30
Chronic (>3 mo) 23 58
VAS score / 62.75 ± 15.96
SF-36 / 58.88 ± 14.32
Constant-Murley score 57.46 ± 17.80 47.78 ± 15.34
Occupation Not working 20 63
Physically light work 7 22
Physically medium work 3 23
Physically heavy work 5 12
  1. Data expressed as mean ± standard deviation or n. SF-36 36-Item Short Form Health Survey, VAS visual analogue scale