Table 2.
Baseline clinical and laboratory characteristics per group
| Variables | Healed (n = 70) | Amputation (n = 67) | Total (n = 137) | Comparison (P‐value) |
|---|---|---|---|---|
| HbA1c, median (IQR) | 7·5 (7–8·3) | 8 (7·1–9) | 7·7 (7–8·75) | 0·351 |
| Haemoglobin, mean (SD) | 10·48 (1·57) | 9·77 (1·98) | 10·14 (1·81) | 0·021 |
| WBC, median (IQR) | 7575 (5545–10040) | 7990 (6330–9975) | 7900 (6070–10040) | 0·481 |
| Total protein, mean (SD) | 6·49 (0·86) | 6·48 (0·91) | 6·49 (0·88) | 0·966 |
| Serum creatinine, median (IQR) | 1·7 (1–5·53) | 2·9 (1·25–7·65) | 1·9 (1·2–6·9) | 0·088 |
| ESR, median (IQR) | 59·5 (33·25–79·75) | 69 (41·5–87·5) | 65 (36–85) | 0·199 |
| CRP, median (IQR) | 0·97 (0·21–2·57) | 1·84 (0·48–6·57) | 1·27 (0·37–5·3) | 0·012 |
| ABI, n (%) | ||||
| ≥0·9 (normal) | 48 (68·57) | 15 (22·39) | 63 (45·99) | <0·001 |
| <0·9 (PAD) | 12 (17·14) | 34 (50·75) | 46 (33·58) | |
| Missing | 10 (14·29) | 18 (26·87) | 28 (20·44) | |
| Location, n (%) | ||||
| Toe | 23 (32·86) | 54 (80·6) | 77 (56·2) | <0·001 |
| Forefoot | 18 (25·71) | 6 (8·96) | 24 (17·52) | |
| Midfoot | 8 (11·43) | 7 (10·45) | 15 (10·95) | |
| Hindfoot | 8 (11·43) | 0 (0) | 8 (5·84) | |
| Ankle | 13 (18·57) | 0 (0) | 13 (9·49) |
ABI, ankle‐brachial index; CRP, C‐reactive protein; ESR, erythrocyte sedimentation rate; HbA1c, glycosylated haemoglobin A; IQR, interquartile range; PAD, peripheral artery disease; WBC, white blood cell.