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Table 4 Clinical validity: ALDS and VascuQol score of patients with IC (n = 26) and CLI (n = 36).

From: The AMC Linear Disability Score (ALDS): a cross-sectional study with a new generic instrument to measure disability applied to patients with peripheral arterial disease

 

Patient groups

   
 

Intermittent claudication

Critical limb ischemia

Difference

(95% confidence interval)

  

ALDS

80 (± 10)

64 (± 18)

16 (8-24)

p < .001a

d = 0.97

VascuQol (Activity)

4.0 (± 1.6)

2.4 (± 1.1)

1.7 (0.9-2.4)

p < .001a

d = 1.08

VascuQol (Total)

4.5 (± 1.1)

3.1 (± 1.0)

1.4 (0.9-2.0)

p < .001a

d = 1.13

  1. aUnpaired t-test; d = Cohen's effect size