TABLE 2.
Subgroup Analysis of Participants at Risk for DFU Recurrence
| Variables | Nonveteran Patients | Veteran Patients |
|---|---|---|
| Participants (N = 129), No. (%) | 71 (55.0) | 58 (45.0) |
| Age, mean (SD), y | 59.4 (12.2) | 64.9 (6.9) |
| Male, No./Total (%) | 55/71 (77.5) | 56/58 (96.6) |
| Lives alone, No./Total (%) | 21/70 (30.0) | 25/58 (43.1) |
| Body mass index, mean (SD) | 33.7 (7.1) | 33.1 (6.0) |
| Regularly exercise, No./Total (%) | 22/71 (31.0) | 23/57 (40.4) |
| History of smoking, No./Total (%) | 19/66 (28.8) | 33/56 (58.9) |
| History of alcohol use, No./Total (%) | 18/44 (40.9) | 21/49 (42.9) |
| Has therapeutic shoes, No./Total (%) | 54/68 (79.4) | 53/56 (94.6) |
| Hemoglobin A1c, mean (SD) | 8.3 (2.5) | 8.4 (1.6) |
| Left ankle-brachial index, mean (SD) | 1.09 (0.14) | 1.21 (0.2) |
| Right ankle-brachial index, mean (SD) | 1.11 (0.12) | 1.27 (0.37) |
| History of lower extremity amputation, any level, No./Total (%) | 20/48 (41.7) | 39/58 (67.2) |
| Adherence, mean (SD), uses/wk | 5.4 (1.3) | 5.6 (1.2) |
| Duration since last DFU healed, mean (SD), mo | 5.6 (9.7) | 25.8 (58.3) |
| DFU healed < 3 months prior to enrollment, No./Total (%) | 34/71 (47.9) | 13/58 (22.4) |
| DFUs, No. (rate) | 29 (0.63 DFUs/patient/y) | 24 (0.63 DFUs/patient/y) |
| Participants with DFU, No. (rate) | 22 (0.31 DFUs/patient) | 15 (0.26 DFUs/patient) |
Abbreviation: DFU, diabetic foot ulcer.