Table 2. Results of univariate analysis of minor amputation for diabetic foot ulcer patients.
| Non-amputation (n = 287) | Minor Amputation (n = 75) | Statistics(χ2) | p-values | |
|---|---|---|---|---|
| Random blood glucose (mmol/L) | 43.323 | <0.001 | ||
| <11.1 | 172(92.0%) | 15(8.0%) | ||
| 11.1–16.7 | 69(60.5%) | 45(39.5%) | ||
| >16.7 | 46(75.4%) | 15(24.6%) | ||
| Years with diabetes | 7.389 | 0.025 | ||
| 0–10 | 161(84.7%) | 29(15.3%) | ||
| 11–20 | 99(73.9%) | 35(26.1%) | ||
| >20 | 27(71.1%) | 11(28.9%) | ||
| Cardiovascular diseases | 4.453 | 0.035 | ||
| No | 71(87.7%) | 10(12.3%) | ||
| Yes | 216(76.9%) | 65(23.1%) | ||
| Peripheral arterial diseases | 8.949 | 0.003 | ||
| No | 78(90.7%) | 8(9.3%) | ||
| Yes | 209(75.7%) | 67(24.3%) | ||
| Smoking history | 7.600 | 0.006 | ||
| No | 131(86.2%) | 21(13.8%) | ||
| Yes | 156(74.3%) | 54(25.7%) | ||
| Albumin(g/L) | 12.361 | 0.002 | ||
| 35.0–50.0 | 121(87.1%) | 18(12.9%) | ||
| 25.0–34.9 | 143(76.9%) | 43(23.1%) | ||
| <25.0 | 23(62.2%) | 14(37.8%) | ||
| Creatinine(μmol/L) | 10.337 | 0.026 | ||
| 54–133 | 234(81.5%) | 53(18.5%) | ||
| 134–186 | 22(71.0%) | 9(29.0%) | ||
| 187–451 | 16(76.2%) | 5(23.8%) | ||
| 452–771 | 11(84.6%) | 2(15.4%) | ||
| >771 | 4(40.0%) | 6(60.0%) | ||
| C-reactive protein(mg/L) | 15.227 | <0.001 | ||
| 0–8 | 124(89.9%) | 14(10.1%) | ||
| 8–100 | 125(73.1%) | 46(26.9%) | ||
| >100 | 38(71.7%) | 15(28.3%) | ||
| DFU history | 7.350 | 0.007 | ||
| No | 242(82.0%) | 53(18.0%) | ||
| Yes | 45(67.2%) | 22(32.8%) |
Abbreviations: DFU, diabetic foot ulcers.