Table 1.
Characteristic | Value or No. (%) |
---|---|
Age, y | |
Mean (SD) | 57.8 (16.4) |
Median (IQR) | 58.7 (46.8–69.6) |
Range | 18–98 |
≥65 y | 37.0 |
Male, % | 53.2 |
Race, white, % | 93.0 |
BMI, kg/m2 | |
Mean (SD) | 32.8 (9.0) |
Median (IQR) | 31.4 (26.2–38.0) |
Range | 14–65 |
SIRS at presentation, No. (%)a | 37 (8.3) |
Temperature >38ºC, No. (%) | 9 (2.0) |
WBC > 12 000 cells/mm3, No. (%) | 38 (15.6) |
Comorbidities, No. (%) | |
Hypertension | 235 (53.4) |
Diabetes mellitus | 174 (39.5) |
Diabetic neuropathy | 54/174 (31.0) |
Diabetic foot infection | 38/174 (21.8) |
Hyperlipidemia | 138 (31.4) |
Peripheral vascular disease/lymphedema | 76 (17.3) |
Coronary artery disease | 63 (14.3) |
COPD/asthma | 58 (13.2) |
Chronic kidney disease | 41 (9.3) |
Neoplastic disease | 31 (7.0) |
Abbreviations: BMI, body mass index; COPD, chronic obstructive pulmonary disease; IQR, interquartile range; SIRS, systemic inflammatory response syndrome; WBC, white blood cell count.
aSystemic inflammatory response syndrome is defined as 2 of the following: temperature >38°C, pulse >90 beats per minute, respiratory rate >20 breaths per minute, white blood cell count >12 000 mm3 or <4000 mm3, or >10% bandemia.