Table 2 Patients categorized into re-amputation and non-reamputation
Characteristics | Total (n=129) | Re-amputation group (n =42) | Non-reamputation group (n =87) | p value |
|---|---|---|---|---|
Age (years) | 66.2 ± 12.3 | 66.7 ± 12.6 | 66.0 ± 12.3 | 0.75 |
Sex, male, n (%) | 83 (64.3) | 30 (71.4) | 53 (60.9) | 0.18 |
BMI (kg/m2) | 22.9 ± 2.3 | 22.7 ± 2.8 | 23.0 ± 2.5 | 0.69 |
Hospitalization days | 33.4 ± 15.7 | 36.2 ± 16.5 | 34.3 ± 18.1 | 0.41 |
Physical therapy period (days) | 23.0 ± 9.2 | 22.6 ± 9.3 | 23.1 ± 9.2 | 0.79 |
Length of daily physical therapy (min) | 40.2 ± 14.8 | 41.5 ± 7.8 | 39.6 ± 10.3 | 0.63 |
Non-weight-bearing period (days) | 15(11–20) | 15 (11–20) | 17 (12–20) | 0.71 |
Comorbidities, n (%) | ||||
 Hypertension | 64 (49.6) | 22 (52.3) | 42 (48.2) | 0.53 |
 Heart disease | 40 (31.0) | 12 (28.5) | 28 (32.1) | 0.65 |
 Cerebrovascular disease | 6 (0.4) | 2 (4.2) | 4 (4.5) | 0.41 |
 COPD | 4 (0.2) | 1 (2.1) | 3 (3.4) | 0.98 |
 Hemodialysis | 41 (31.7) | 19 (40.4) | 22 (25.2) | <0.01 |
Laboratory parameters | ||||
 Serum albumin (g/dL) | 2.7 ± 1.1 | 2.6 ± 1.0 | 2.8 ± 1.1 | 0.52 |
 Serum hemoglobin (g/dL) | 11.4 ± 2.2 | 11.1 ± 1.9 | 11.9 ± 2.3 | 0.09 |
 Blood glucose | 183.6 ± 19.3 | 179.7 ± 17.4 | 187.2 ± 21.8 | 0.19 |
 CRP ( mg/dl) | 0.4 ± 1.1 | 0.5 ± 1.4 | 0.7 ± 0.9 | 0.35 |
 WBC 103/μL | 9435.9 ± 3203.6 | 9154.7 ± 3069.3 | 9573.2 ± 3276.0 | 0.44 |
eGFR ( mL/min/1.73 m2) , n (%) | ||||
 eGFR ≥60 | 39 (30.2) | 12 (28.5) | 27 (31.0) | 0.91 |
 eGFR 45–59 | 14 (10.8) | 4 (9.5) | 10 (11.4) | |
 eGFR 30–44 | 17 (13.1) | 5 (11.9) | 12 (13.7) | |
 eGFR < 30 | 59 (45.7) | 21 (50.0) | 38 (43.6) | |
Lower l imb blood flow | ||||
 SPP (mmHg) | 36.7 ± 14.6 | 35.9 ± 14.2 | 37.1 ± 14.8 | 0.58 |
 ABI | 0.5 ± 0.2 | 0.6 ± 0.2 | 0.5 ± 0.3 | 0.15 |
WIfI classification, n (%) | ||||
 W0 | 23 (17.8) | 8 (19.0) | 19 (21.8) | 0.81 |
 W1 | 35 (27.1) | 13 (30.9) | 27 (31.0) | |
 W2 | 41 (31.7) | 11 (26.1) | 19 (21.8) | |
 W3 | 46 (35.6) | 10 (23.8) | 22 (25.2) | |
Amputation region, n (%) | ||||
 Toe amputation | 63 (48.8) | 22 (52.3) | 41 (47.1) | 0.06 |
 Ray amputation | 42 (32.5) | 13 (30.9) | 29 (33.3) | 0.51 |
 Transmetatarsal amputation | 24 (18.6) | 7 (16.6) | 17 (19.5) | 0.34 |
Foot deformation, n (%) | ||||
 Charcot's joint | 12 (9.3) | 4 (8.5) | 8 ( 9.1) | 0.97 |
 Hallux valgus | 19 (14.7) | 7 (14.8) | 12 (13.7) | 0.68 |
 Hammer toe | 17 (13.1) | 7 (14.8) | 10 (11.4) | 0.24 |
 Claw toe | 19 (14.7) | 8 (17.0) | 11 (12.6) | 0.35 |
Physical function | ||||
 Knee Extension Muscle Strength (kef) | 20.4 ± 6.1 | 19.2 ± 5.8 | 21.0 ± 6.2 | 0.11 |
 Ankle dorsiflexion angle (°) | 6.4 ± 8.5 | 2.6 ± 9.2 | 8.3 ± 7.6 | <0.01 |
 Ankle plantar flexion angle (°) | 17.5 ± 11.5 | 16.7 ± 11.9 | 17.8 ± 11.7 | 0.61 |
 Plantar Sensory disorder, n (%) | 94 (72.8) | 32 (76.1) | 62 (71.2) | 0.62 |
 FIM ambulation score | 5 (4–6) | 6 (5–7) | 5 (4–6) | <0.01 |