Table 1.
Frequency distribution of demographic characteristics and outcomes of patients with bacteremic sepsis by BMI group.
| BMI, n | ≤19 | 20–25 | 26–30 | 31–35 | 36–39 | >40 | Total | p-Value |
|---|---|---|---|---|---|---|---|---|
| Unweighted | 2888 | 2234 | 1852 | 2519 | 1890 | 6769 | 18,152 | |
| Weighted | 14,440 | 11,170 | 9260 | 12,595 | 9450 | 33,845 | 90,760 | |
| Age Group, % | <0.001 | |||||||
| 18–44 yrs | 10.9 | 9.2 | 7.9 | 10.6 | 11.0 | 13.3 | 11.3 | |
| 45–59 yrs | 19.1 | 19.2 | 21.2 | 21.1 | 25.0 | 30.6 | 24.5 | |
| 60–74 yrs | 29.5 | 31.0 | 38.0 | 40.8 | 42.4 | 42.3 | 38.2 | |
| 75 yrs or older | 40.5 | 40.5 | 32.9 | 27.4 | 21.6 | 13.8 | 26.0 | |
| Gender, % | <0.001 | |||||||
| Female | 52.4 | 44.7 | 53.5 | 55.1 | 58.4 | 64.4 | 57.0 | |
| Male | 47.6 | 55.1 | 46.4 | 44.9 | 41.5 | 35.5 | 42.9 | |
| Race, % | <0.001 | |||||||
| White | 61.1 | 62.7 | 62.7 | 64.2 | 66.3 | 69.4 | 65.5 | |
| Non-white | 33.1 | 30.4 | 31.2 | 29.1 | 26.9 | 25.0 | 28.4 | |
| Comorbidity, % | ||||||||
| Hypertension | 31.5 | 35.8 | 42.2 | 45.3 | 48.0 | 43.4 | 41.2 | <0.001 |
| Congestive Heart Failure | 12.9 | 12.0 | 13.4 | 15.4 | 17.7 | 21.7 | 17.0 | <0.001 |
| Diabetes Mellitus | 14.8 | 20.1 | 30.8 | 39.1 | 42.4 | 44.9 | 34.6 | <0.001 |
| Renal Failure | 22.5 | 24.9 | 29.9 | 31.3 | 29.6 | 32.4 | 29.2 | <0.001 |
| Chronic Pulmonary Disease | 30.5 | 19.4 | 23.7 | 25.2 | 29.5 | 32.4 | 28.3 | <0.001 |
| Peripheral Vascular Disorders | 9.7 | 9.8 | 10.5 | 10.5 | 10.1 | 8.5 | 9.5 | <0.001 |
| Atrial Fibrillation/Flutter | 20.6 | 22.1 | 21.6 | 23.0 | 23.1 | 24.8 | 23.0 | <0.001 |
| Prior MI | 3.8 | 4.7 | 5.3 | 7.1 | 5.8 | 4.7 | 5.1 | <0.001 |
| VT/VF | 2.4 | 1.8 | 1.9 | 2.0 | 1.6 | 2.3 | 2.1 | <0.001 |
| Deyo-CCI, % | <0.001 | |||||||
| 0 | 12.7 | 12.7 | 13.6 | 13.4 | 13.1 | 12.1 | 12.7 | |
| 1 | 15.9 | 15.2 | 15.7 | 18.4 | 18.5 | 16.6 | 16.7 | |
| 2 or higher | 71.4 | 72.2 | 70.7 | 68.2 | 68.5 | 71.3 | 70.6 | |
| Mortality, % | 13.7 | 10.7 | 7.2 | 4.5 | 4.9 | 6.3 | 7.7 | <0.0001 |
| Length of Stay (days), Mean + SEM | 10.74 ± 0.21 | 9.99 ± 0.19 | 9.08 ± 0.19 | 7.99 ± 0.16 | 7.45 ± 0.16 | 8.71 ± 0.11 | 9.00 ± 0.07 | <0.0001 |
BMI = Body Mass Index; MI = Myocardial Infarction; VT = Ventricular Tachycardia; VF = Ventricular Fibrillation; Deyo-CCI = Deyo Comorbidity Index; SEM = Standard Error of the Mean.