Table 2.
General characteristics, blood test results, and initial wound status of enrolled patients.
| Cohort (n = 61) | Non-NPWT (n = 38) | NPWT (n = 23) | P-values | |
| Male, n (%) | 36 (59.0) | 21 (55.2) | 15 (65.2) | .592 |
| Age, yr median (IQR) | 61 (56–71) | 60 (53.7–69.5) | 66 (58.0–73.0) | .198 |
| Past medical history | ||||
| Hypertension, n (%) | 16 (26) | 9 (23.6) | 7 (30.4) | .765 |
| Diabetes, n (%) | 3 (5) | 0 (0) | 3 (13.0) | .049 |
| Chronic renal disease, n (%) | 1 (2) | 1 (2.6) | 0 (0) | 1.00 |
| Initial laboratory results | ||||
| WBC, x1000/ul, mean (SD) | 8.218 (2.684) | 8.059 (2.821) | 8.480 (2.480) | .413 |
| Hb, g/dl, mean (SD) | 13.80 (1.51) | 13.40 (1.41) | 14.30 (1.54) | .022 |
| NLR, ratio, median (IQR) | 2.75 (1.55–4.37) | 2.31 (1.28–3.84) | 3.94 (1.74–4.91) | .113 |
| CRP, mg/dL, median (IQR) | 0.5 (0.5–0.6) | 0.5 (0.5–0.5) | 0.5 (0.5–0.8) | < .05 |
| BUN, mg/dL, median (IQR) | 16 (13–20) | 17 (13.2–21) | 15 (13–18) | .122 |
| Cr, mg/dL, median (IQR) | 0.76 (0.67–0.93) | 0.76 (0.58–0.93) | 0.76 (0.70–0.94) | .414 |
| INR, ratio, median (IQR) | 0.98 (0.92–1.04) | 1.00 (0.94–1.04) | 0.98 (0.80–1.06) | .290 |
| aPTT, sec, median (IQR) | 28.7 (25.9–31.0) | 29.2 (25.9–31.7) | 28.2 (25.4–30.2) | .188 |
| Antivenin injection time after injury, hr, median (IQR) | 8.0 (4.0–17.0) | 7.5 (4.0–14.6) | 14 (4.0–20.0) | .179 |
| Admission time after injury, hr, median (IQR) | 10 (5–21.5) | 9.0 (5.0–17.3) | 17 (6.0–22.0) | .091 |
| Initial wound status | ||||
| Location | ||||
| Finger, n (%) | 40 (65.6) | 27 (62.5) | 13 (37.5) | .251 |
| Palm, n (%) | 2 (3.3) | 1 (50) | 1 (50) | .718 |
| Foot, n (%) | 14 (23) | 8 (57.1) | 6 (42.9) | .653 |
| Other areas, n (%) | 5 (8.2) | 2 (40) | 3 (60) | .287 |
| Skin color change, n, (%) | 18 (29.5) | 9 (50) | 9 (50) | .160 |