Table 4.
Univariate analysis of factors affecting treatment effectiveness
| Effectiveness (n = 100) | Ineffectiveness (n = 21) | χ2/t value | P value | |
|---|---|---|---|---|
| Age (years) | 54.61±8.93 | 54.43±10.58 | 0.081 | 0.935 |
| Sex | ||||
| Male | 56 (56.00) | 14 (66.67) | 0.810 | 0.368 |
| Female | 44 (44.00) | 7 (33.33) | ||
| Disease course (year) | 2.89±0.74 | 2.95±0.74 | 0.338 | 0.736 |
| BMI (kg/m2) | 22.39±2.59 | 22.80±3.17 | 0.633 | 0.528 |
| Ulcer site | 0.808 | 0.668 | ||
| Pelma | 53 (53.00) | 10 (47.62) | ||
| Toe | 24 (24.00) | 7 (33.33) | ||
| Acrotarsium | 23 (23.00) | 4 (19.05) | ||
| Ulcer area before surgery (cm2) | 15.37±2.76 | 16.69±2.62 | 2.009 | 0.047 |
| Surgical approach | 4.440 | 0.035 | ||
| Skin flap grafting | 37 (37.00) | 13 (61.90) | ||
| Skin flap grafting + VSD | 63 (63.00) | 8 (38.10) |
Note: BMI, body mass index; VSD, vacuum sealing drainage.