Table 5 Sensitivity analysis and floor-ceiling effects of VascuQoL with respect to disease severity, (Mann Whitney U)
Scale | Intermittent claudication (IC), mean ± SD n = 127 | Critical limb ischemia (CLI), mean ± SD n = 71 | p-value | Floor* (IC), % | Ceiling (IC), % | Floor* (CLI), % | Ceiling (CLI), % |
|---|---|---|---|---|---|---|---|
Activity | 3.50 ± 1.12 | 2.44 ± 0.88 | p < 0.001 | 0 | 0 | 4.2 | 0 |
Pain | 3.69 ± 1.18 | 2.61 ± 1,10 | p < 0.001 | 0.8 | 0 | 8.5 | 0 |
Emotional | 4.57 ± 1,29 | 3.35 ± 1,48 | p < 0.001 | 0 | 0.8 | 2.8 | 1.4 |
Social | 4.34 ± 1.60 | 3.17 ± 1,63 | p < 0.001 | 0 | 7.1 | 5.6 | 5.6 |
Symptom | 4.46 ± 1.09 | 2.97 ± 1,23 | p < 0.001 | 0 | 0 | 5.6 | 0 |
Total | 4.05 ± 1.03 | 2.87 ± 1.00 | p < 0.001 | 0 | 0 | 1.4 | 0 |