| | Variables | Without amputation () | Amputation () | / value | value |
| | Age (years) | | | -0.445 | 0.657 | | Gender (male/female) | 46/21 | 38/20 | 0.139 | 0.709 | | BMI (kg/m2) | 25.54 (23.36, 28.25) | 25.40 (22.94, 29.15) | -2.500 | 0.803 | | Course of T2DM (years) | 6.00 (4.00, 9.00) | 10.00 (8.00, 15.25) | -4.680 | <0.001 | | DR | 19/48 | 25/33 | 2.963 | 0.085 | | DN | 34/33 | 30/28 | 0.012 | 0.913 | | PAD | 22/45 | 40/18 | 16.233 | <0.001 | | FBG (mmol/L) | 9.58 (6.54, 11.97) | 9.60 (6.54, 13.00) | -0.451 | 0.652 | | WBC (109/L) | 7.02 (4.92, 8.19) | 7.68 (6.11, 11.20) | -2.725 | 0.006 | | RDW (%) | 13.40 (12.80, 14.30) | 13.45 (12.78, 14.33) | -0.446 | 0.656 | | HbA1c (%) | | | 1.288 | <0.001 | | TP (mmol/L) | | | -1.550 | 0.121 | | ALB (g/L) | | | 0.657 | 0.002 | | TBIL (μmol/L) | 9.00 (7.40, 12.00) | 9.95 (7.65, 13.38) | -0.589 | 0.556 | | DBIL (μmol/L) | 2.00 (1.50, 2.70) | 2.30 (1.20, 3.43) | -0.860 | 0.390 | | BUA (mmol/L) | 313.20 (238.00, 376.00) | 262.10 (208.35, 352.85) | -1.671 | 0.095 | | TC (mmol/L) | 3.76 (3.09, 4.80) | 3.36 (3.04, 4.22) | -1.767 | 0.077 | | TG (mmol/L) | 1.01 (0.67, 1.59) | 1.12 (0.84, 1.41) | -1.802 | 0.441 | | HDL-C (mmol/L) | | | -0.893 | 0.374 | | LDL-C (mmol/L) | | | 0.279 | 0.632 | | FIB (mg/dL) | 394.00 (330.00, 454.00) | 480.50 (390.75, 578.00) | -3.767 | <0.001 |
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