- Demographics of patients in the 2 groups.
| Characteristics | Control group (n=50) | NPWT group (n=50) | P-value |
|---|---|---|---|
| Gender, n (%) | 0.545 | ||
| Male | 27(54) | 30(60) | |
| Female | 23(46) | 20(40) | |
| Age (years) | 66.2±6.6 | 64.3±9.0 | 0.159 |
| Duration of DM (years), | 13.1±2.7 | 13.6±3.1 | 0.421 |
| Baseline wound area (cm2) | 14.0±2.0 | 14.0±2.5 | 0.578 |
| Hypertension, n (%) | 30(60) | 31(62) | 0.838 |
| Smoking history, n (%) | 20(40) | 17(34) | 0.534 |
| Wagner grade | 0.629 | ||
| Wagner grade 2 | 10(20) | 12(24) | |
| Wagner grade 3 | 40(80) | 38(76) |
NPWT: negative pressure wound therapy, DM: diabetes mellitus.p<0.05 was deemed significant. Chi-squared test and Student’s t test were used for comparing the patient and wound demographics.