Table 3.
Clinical baseline distribution between FIS and AFB groups
| FIS | AFB | P‐value | |||
|---|---|---|---|---|---|
| Mean age | 47.31 ± 12.26 | 46.14 ± 11.40 | 0.81 | ||
| n | 19 | 48% | 21 | 53% | |
| CI 95% | 5.51 | 4.88 | |||
| Gender | 0.54 | ||||
| Male | 12 | 63% | 11 | 52% | |
| Female | 7 | 37% | 10 | 48% | |
| Race/ethnicity | 0.76 | ||||
| Non‐Hispanic White | 12 | 63% | 11 | 52% | |
| African American | 6 | 32 | 6 | 29% | |
| Hispanic | 1 | 5% | 3 | 14% | |
| Other | 0 | 0% | 1 | 5% | |
| Tobacco use | 0.26 | ||||
| Current | 4 | 21% | 3 | 14% | |
| Past | 9 | 47% | 6 | 29% | |
| Never | 6 | 32% | 12 | 57% | |
| Diabetes status | 0.99 | ||||
| No | 16 | 84% | 16 | 76% | |
| Type 1 | 0 | 0% | 1 | 5% | |
| Type 2 | 3 | 16% | 4 | 19% | |
| Wound location | 0.66 | ||||
| Sacrum | 8 | 42% | 9 | 43% | |
| Ischium | 8 | 42% | 10 | 48% | |
| Trochanteric | 3 | 16% | 1 | 5% | |
| Other | 0 | 0% | 1 | 5% | |
| Number of wounds | 0.99 | ||||
| Multiple | 7 | 37% | 8 | 38% | |
| Single | 12 | 63% | 13 | 62% | |
| Pre‐closure measurements | |||||
| Length | 10.92 ± 4.51 | 9.05 ± 2.88 | 0.12 | ||
| Width | 8.33 ± 3.61 | 6.19 ± 2.17 | 0.08 | ||
| Depth | 4.03 ± 1.20 | 4.15 ± 1.90 | 0.56 | ||
| History of wound | |||||
| Recurrent | 4 | 21% | 4 | 19% | 0.99 |
| Non‐recurrent | 15 | 79% | 17 | 81% | |
| No previous Tx | 12 | 67% | 11 | 58% | 0.74 |
| Previous Tx | 6 | 33% | 8 | 42% | |
| NPWT | 3 | 60% | 4 | 67% | 0.45 |
| AMWT | 2 | 40% | 0 | 0% | |
| Hyperbaric | 0 | 0% | 1 | 17% | |
| Biologics | 0 | 0% | 1 | 17% | |
| Previous debrid. | 12 | 67% | 9 | 45% | 0.21 |
| No debrid. | 6 | 33% | 11 | 55% | |
| Prior closure | 2 | 11% | 5 | 25% | 0.41 |
| No closure | 17 | 89% | 15 | 75% | |
Abbreviations: AFB, air‐fluidised bed; AMWT, advanced moist wound therapy; CI, confidence interval; FIS, fluid immersion simulation; NPWT, negative pressure wound therapy.