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Table 4 Construct validity. Pearson’s correlations between the HAAS-I and WOMAC, NRS and SF-36 in subjects with total hip arthroplasty

From: Development of the Italian version of the High-Activity Arthroplasty Score (HAAS-I) following hip and knee total arthroplasty: cross-cultural adaptation, reliability, validity and sensitivity to change

Outcome measures

HAAS-I

p value

WOMAC

− 0.68

0.000

WOMAC Pain

− 0.66

0.000

WOMAC Stiffness

− 0.50

0.000

WOMAC Activities of Daily Living

− 0.70

0.000

NRS

− 0.40

0.001

SF-36 Physical Function

0.63

0.000

SF-36 Physical Role

0.46

0.000

SF-36 Bodily Pain

0.47

0.000

SF-36 General health

0.34

0.005

SF-36 Vitality

0.45

0.000

SF-36 Social function

0.42

0.000

SF-36 Emotional Role

0.48

0.000

SF-36 Mental Health

0.35

0.003

  1. HAAS-I High-Activity Arthroplasty Score (Italian version), NRS numerical rating scale, WOMAC Western Ontario and McMaster University index, SF-36 Short Form Health Survey 36 items