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Table 1 Clinical characteristics of included patients

From: Functional claudication distance: a reliable and valid measurement to assess functional limitation in patients with intermittent claudication

Characteristic Total Population
N = 82
Patients for reliability analysis
N = 57
Patients for validity analysis
N = 25
P-value
Male 49 (59.8%) 36 (63.2%) 13 (52.0%) 0.343
Age (years) 67 ± 10 68 ± 9 65 ± 12 0.213
ABI 0.69 ± 0.19 0.71 ± 0.20 0.66 ± 0.17 0.338
Weight (kg) 76 ± 14 76 ± 14 75 ± 15 0.797
Risk factors     
   Hypertension 60 (78.9%) 39 (76.5%) 21 (84.0%) 0.449
   Diabetes Mellitus 20 (26.3%) 10 (19.6%) 10 (40.0%) 0.058
   Hypercholesterolemia 43 (56.6%) 25 (49.0%) 18 (72.0%) 0.058
Smoking behaviour     0.669*
   Current smoking 34 (44.7%) 22 (43.1%) 12 (48%)  
   Former smoking 35 (46.1%) 24 (47.1%) 11 (44.0%)  
   Never smoked 7 (9.2%) 5 (9.8%) 2 (8.0%)  
  1. Kg: Kilograms, ABI: ankle brachial index.
  2. * Calculated with Kendall's-tau test.