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Table 3 Rand-36 scores and Spearman's correlations with walking distances

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

Domain Rand-36 score ICD FCD ACD
  Median (IQR) Correlation P value Correlation P value Correlation P value
Physical function 55.6 (50.0 – 72.2) 0.473* 0.022 0.571** 0.004 0.496* 0.016
Social function 87.5 (75.0 – 100.0) -0.046 0.836 0.001 0.998 -0.065 0.768
Physical role 75.0 (0.0 – 100.0) 0.407 0.054 0.532** 0.009 0.519* 0.011
Emotional role 100.0 (100.0 – 100.0) 0.068 0.758 0.157 0.476 0.121 0.584
Mental health 84.0 (64.0 – 92.0) 0.014 0.948 0.132 0.549 0.092 0.676
Vitality 60.0 (55.0 – 70.0) 0.152 0.488 0.416* 0.048 0.366 0.086
Pain 67.3 (55.1 – 69.4) 0.338 0.114 0.437* 0.037 0.352 0.099
General health 50.0 (40.0 – 60.0) 0.518* 0.011 0.392 0.065 0.371 0.081
Health change 50 (25.0 – 75.0) 0.382 0.072 0.414* 0.050 0.446* 0.033
  1. IQR: inter quartile range, ICD: initial claudication distance, FCD: functional claudication distance, ACD: absolute claudication distance.
  2. * Correlation is significant at the 0.05 level,
  3. ** Correlation is significant at the 0.01 level.