Table 2.
Association between SPP and the decreasing rate in wound size according to the degree of CTA stenosis.
| CTA stenosis | ||||
|---|---|---|---|---|
| Mild (N = 22) | Moderate (N = 7) | Severe (N = 11) | P value | |
| SPP (mm Hg) | .915 | |||
| Normal | 4 (18.1%) | 1 (14.2%) | 2 (18.1%) | |
| Moderate | 10 (45.4%) | 3 (42.8%) | 3 (27.2%) | |
| Severe | 8 (36.3%) | 3 (42.8%) | 6 (54.5%) | |
| Wound size (mm2) | ||||
| First wound size | 32.6 ± 11.6 | 29.2 ± 10.9 | 33.9 ± 16.1 | .756 |
| Second wound size | 11.2 ± 7.0 | 9.8 ± 5.8 | 12.7 ± 5.9 | .659 |
| Decreasing rate in wound size (%) | 68.7 ± 14.8 | 67.5 ± 14.4 | 59.7 ± 12.7 | .235 |
The ANOVA P value was used for the association between CTA stenosis and wound size, and Fisher exact test was used to determine the association between CTA stenosis and SPP.
ANOVA = analysis of variance, CTA = computed tomography angiography, SPP = skin perfusion pressure.