Skip to main content

Table 3 Cross-sectional construct validity, correlations between SF-36 domains and VQ6 items and VQ6 sum score

From: Validity and test retest reliability of the vascular quality of life Questionnaire-6: a short form of a disease-specific health-related quality of life instrument for patients with peripheral arterial disease

  Item 1
activity
Item 2
symptom
Item 3
activity
Item 4
emotional
Item 5
social
Item 6
pain
VQ6 sum score
Physical functioning 0.58 0.59 0.62 0.55 0.62 0.50 0.58
Role function physical 0.60 0.51 0.47 0.39 0.59 0.55 0.60
Bodily pain 0.45 0.52 0.49 0.36 0.49 0.59 0.45
General health 0.38 0.41 0.36 0.40 0.38 0.32 0.38
Vitality 0.47 0.51 0.43 0.37 0.44 0.43 0.47
Social functioning 0.53 0.44 0.43 0.35 0.56 0.43 0.53
Role function emotional 0.41 0.37 0.29 0.31 0.44 0.33 0.43
Mental health 0.31 0.36 0.29 0.47 0.38 0.32 0.39
PCS 0.63 0.64 0.63 0.51 0.63 0.58 0.69
MCS 0.33 0.29 0.20 0.27 0.37 0.26 0.34
  1. Spearman’s rank correlation
  2. All domains and VQ6 items were significantly correlated p-value < 0.001
  3. PCS Physical component summary score, MCS Mental component summary score