Variable Diabetic foot ulcers (DFU) Pressure ulcers (PU) Age (years; mean ± SD) 60.1 ± 15.4 46.2 ± 14.6 Male 6 (66.7%) 6 (100%) Female 3 (33.3%) - Ethnicity All mixed Afro-Cuban All white Latin/Hispanic Basic disease duration (yrs, mean; range) 15.8 (0.1 - 30) 5.9 (0.6 - 19) Glycemia level 7.3 ± 1.17 mmol/L ulcer sampling time HbA1c 7.1 2 ± 1.55% 3.11 ± 0.91 mmol/L ulcer sampling time HbA1c: ND Ulcer duration (in days) (mean; range) 50 (36 – 195) 180 (60 – 540) Ethiopathogenic classification 5 ischemics 4 neuropathics Not applicable Classification (University of Texas DFU scale and NPUAP* staging, respectively) Grade 3. Stage C: 3 patients Grade 2. Stage C: 2 patients    _________________ Grade 2. Stage A: 3 patients Grade 3. Stage A: 1 patient stage IV NPAUP: National Pressure Ulcer Advisory Panel (United States of America). Stage IV: Full thickness wound with bone, tendon or muscle exposed/damaged. HbA1c: Glycated Hemoglobin; ND: Not Determined. University of Texas Classification for DFUs: Grade 2: Wound penetrating to tendon or capsule. Grade 3: Wound penetrating to bone or joint. Stage A: Non-infected and non-ischemic wound. Stage C: Non-infected, ischemic wound.

Table 2: Demographic characteristic of the chronic ulcers-affected patients.