Table 3 Univariate and Multivariate Analysis of Re-amputation
Variables | Cases without reamputation, (n = 263) | Cases with reamputation, (n = 119) | Univariate analysis P | Multivariate analysis P |
|---|---|---|---|---|
Age, median (IQR), years | 67.0 (58.0–74.0) | 67.0 (62.0–72.0) | 0.658 |  |
Sex, n (%) | ||||
 Male | 178 (67.7%) | 84 (70.6%) | 0.571 |  |
 Female | 85 (32.3%) | 35 (29.4%) | ||
BMI, median (IQR), kg/m2 | 23.1 (21.1–25.4) | 22.7 (21.6–25.0) | 0.705 |  |
Preoperative blood glucose, n (%) | ||||
 < 6.1 | 54 (20.5%) | 28 (23.5%) | 0.509 |  |
 ≥ 6.1 | 209 (79.5%) | 91 (76.5%) | ||
Preoperative HbA1c, n (%) | ||||
 < 7.5 | 61 (23.2%) | 25 (21.0%) | 0.636 |  |
 ≥ 7.5 | 202 (76.8%) | 94 (79.0%) | ||
Preoperative WBC, median (IQR) | 8.7 (6.9–11.6) | 9.0 (6.8–12.9) | 0.292 |  |
Preoperative neutrophil, median (IQR) | 6.4 (4.5–9.1) | 6.4 (4.8–10.4) | 0.336 |  |
Preoperative lymphocyte, median (IQR) | 1.5 (1.1–1.8) | 1.5 (1.1–1.8) | 0.849 |  |
Preoperative platelet, median (IQR) | 268.0 (209.0–353.0) | 287.0 (226.5–343.5) | 0.303 |  |
Preoperative CRP, n (%) | ||||
 < 8 | 63 (24.0%) | 21 (17.6%) | 0.168 |  |
 ≥ 8 | 200 (76.0%) | 98 (82.4%) | ||
Anemia, n (%) | ||||
 No | 112 (42.6%) | 44 (37.0%) | 0.302 |  |
 Yes | 151 (57.4%) | 75 (63.0%) | ||
Preoperative albumin, median (IQR) | 32.9 (29.0–35.7) | 31.4 (28.4–35.2) | 0.188 |  |
Preoperative creatinine, median (IQR) | 78.0 (59.0–108.0) | 84.0 (61.5–112.5) | 0.372 |  |
Smoking, n (%) | ||||
 No | 205 (77.9%) | 78 (65.5%) | 0.010* | 0.016* |
 Yes | 58 (22.1%) | 41 (34.5%) | ||
Drinking, n (%) | ||||
 No | 202 (76.8%) | 87 (73.1%) | 0.436 |  |
 Yes | 61 (23.2%) | 32 (26.9%) | ||
Hypertension, n (%) | ||||
 No | 125 (47.5%) | 56 (47.1%) | 0.932 |  |
 Yes | 138 (52.5%) | 63 (52.9%) | ||
Kidney disease, n (%) | ||||
 No | 194 (73.8%) | 81 (68.1%) | 0.251 |  |
 Yes | 69 (26.2%) | 38 (31.9%) | ||
LEAD, n (%) | ||||
 No | 111 (42.2%) | 17 (14.3%) | < 0.001* | < 0.001* |
 Yes | 152 (57.8%) | 102 (85.7%) | ||
Preoperative bacterial culture, n (%) | ||||
 Negative | 114 (43.3%) | 40 (33.6%) | 0.073 |  |
 Positive | 149 (56.7%) | 79 (66.4%) | ||
Wagner score, n (%) | ||||
 1–3 | 200 (76.0%) | 84 (70.6%) | 0.258 |  |
 4–5 | 63 (24.0%) | 35 (29.4%) | ||
Number of toes, n (%) | ||||
 1 | 187 (71.1%) | 90 (75.6%) | 0.359 |  |
 2–5 | 76 (28.9%) | 29 (24.4%) | ||
TIR | ||||
 < 70% | 114 (43.3%) | 77 (64.7%) | < 0.001* | < 0.001* |
 ≥ 70% | 149 (56.7%) | 42 (35.3%) | ||