TABLE 6.
Summary of the number of inpatient operating room (OR) debridements required during inpatient stay after the initial debridement (by treatment group)
| Number of inpatient OR debridements | Treatment group | ||||
|---|---|---|---|---|---|
| NPWTi‐d (n = 71) | NPWT (n = 66) | Overall (n = 137) | P‐Value of ordinal logistic regression | P‐Value from Wilcoxon rank‐sum test | |
| 0 (%) | 9 (12.7%) | 13 (19.7%) | 22 (16.1%) | ||
| 1 (%) | 52 (73.2%) | 41 (62.1%) | 93 (67.9%) | ||
| 2 (%) | 5 (7.0%) | 10 (15.2%) | 15 (10.9%) | ||
| 3 (%) | 3 (4.2%) | 2 (3.0%) | 5 (3.6%) | ||
| 4 (%) | 2 (2.8%) | 0 (0.0%) | 2 (1.5%) | ||
| Mean (SD) | 1.1 (0.78) | 1.0 (0.69) | 1.1 (0.74) | 0.68 | 0.68 |
| 95% confidence interval | 0.93‐1.30 | 0.85‐1.18 | 0.94‐1.19 | ||
Abbreviations: NPWT, negative‐pressure wound therapy; NPWTi‐d, NPWT with cyclical instillation and a period of dwell.