Table 3.
Comparison of thermographic parameters between patients with/without wound healing or major amputation at 6 months.
| All patients N = 124 | Healing in 6-mo Group N = 61 | Non-Healing in 6-mo Group N = 63 | P value | |
| Mean pre-EVT temperature of whole foot (°C) | 30.05 (28.00–31.87) | 30.78 (28.94–32.38) | 29.42 (26.84–31.38) | .015 |
| Mean post-EVT temperature of whole foot (°C) | 31.67 (29.30–32.80) | 32.34 (30.48–33.23) | 30.96 (28.74–32.48) | .004 |
| Post- minus pre-EVT temperature of whole foot (°C) | 1.30 (−0.65–3.24) | 1.30 (−0.64–3.46) | 1.30 (−0.78–3.12) | .994 |
| DIFF1 (°C) | −1.13 (−1.69–0.79) | −1.12 (−1.70–0.74) | −1.14 (−1.68–0.80) | .605 |
| DIFF2 (°C) | −1.12 (−1.78–0.69) | −0.90 (−1.52–0.59) | −1.38 (−1.82–0.94) | .009 |
| DIFF2 minus DIFF1 (°C) | 0.00 (−0.52–0.57) | 0.10 (−0.26–0.59) | −0.14 (−0.68–0.46) | .070 |
| All patients N = 124 | No-Major Amputation N = 110 | Major Amputation N = 14 | ||
| Mean pre-EVT temperature of whole foot (°C) | 30.05 (28.00–31.87) | 30.05 (27.95–31.76) | 30.03 (28.35–33.17) | .567 |
| Mean post-EVT temperature of whole foot (°C) | 31.67 (29.30–32.80) | 31.72 (29.38–32.95) | 31.00 (28.94–32.35) | .407 |
| Post- minus pre-EVT temperature of whole foot (°C) | 1.30 (−0.65–3.24) | 1.38 (−0.63–3.66) | 0.47 (−1.10–1.79) | .398 |
| DIFF1 (°C) | −1.13 (−1.69–0.79) | −1.11 (−1.60–0.76) | −1.85 (−2.67–0.99) | .026 |
| DIFF2 (°C) | −1.12 (−1.78–0.69) | −1.08 (−1.67–0.68) | −1.82 (−2.21–1.45) | .004 |
| DIFF2 minus DIFF1 (°C) | 0.00 (−0.52–0.57) | 0.01 (−0.40–0.57) | −0.25 (−1.10–0.96) | .525 |