Table 1.
Subject and ulcer characteristics at baseline (N = 77)
| Subject characteristics | Normal values | Mean (± SD)/median (range) |
|---|---|---|
| Age (years) | 54.9 (± 11.64) | |
| Smoking (pack-years; n = 75) | 16.7 (± 26.15) | |
| Duration of diabetes (years; n = 76) | 15.9 (± 11.87) | |
| WBC (mm3) | 3,700–1,050 | 7,898 (± 1,834.00) |
| HbA1c (%; mmol/mol) | 4.8–6.0 | 8.2 (± 1.95); 69 (± 5.00) |
| Albumin (g/dL) | 3.4–4.8 | 4.1 (± 0.30) |
| Prealbumin (mg/dL; n = 75) | 18–45 | 21.3 (± 4.85) |
| C-reactive protein (mg/dL) | <0.5 | 2.4 (± 5.37) |
| Erythrocyte sedimentation rate (mm/h; n = 76) | Males: 0–15 | 31.1 (± 22.93) |
| Females: 0–20 | ||
| Ulcer characteristics | ||
| Ulcer area (cm2) | 1.9 (± 2.58)/1.2 (0.03–16.7) | |
| Ulcer depth (cm) | 0.3 (± 0.28)/0.2 (0–1.0) | |
| Ulcer duration prior to study participation (weeks) | 33.3 (± 40.90)/19.5 (0.5–156.0) | |
| Wound tissue oxygen pressure (mmHg; n = 75) | 47.1 (± 14.38) | |
| Toe-brachial index (n = 53) | 0.8 (± 0.2) | |
| Ankle-brachial index (n = 26) | 1.0 (± 0.2) |