Table 1 Co-morbid medical factors associated with risk for development of Klebsiella species bloodstream infection
Factor | Estimated prevalence in western interior | Cases | Incidence with factor (per 100,000 population per year) | Incidence without factor (per 100,000 population per year) | IRR (95% CI) | P-value |
|---|---|---|---|---|---|---|
CVA (age 20+) | 2.6% | 16 | 81.1 | 13.9 | 5.9 (3.3–9.9) | < 0.0001 |
Renal (age 20+) | 3.1% | 18 | 58.8 | 13.8 | 4.3 (2.5–7.0) | < 0.0001 |
Cancer* | 4% | 45 | 36.1 | 9.4 | 3.8 (2.6–5.5) | < 0.0001 |
CHF (age 20+) | 2% | 10 | 50.1 | 14.5 | 3.50 (1.6–6.6) | 0.0012 |
Dementia (age 40+) | 3% | 12 | 57.5 | 19.9 | 2.9 (1.5–5.2) | 0.002 |
Diabetes | 9% | 31 | 27.6 | 10.6 | 2.6 (1.7–3.9) | < 0.0001 |
COPD (age 35+) | 10% | 30 | 39.2 | 16.8 | 2.3 (1.5–3.5) | 0.0002 |
MI (age 20+) | 8% | 13 | 16.5 | 15.1 | 1.1 (0.6–1.9) | 0.7 |
PVD (age 40+) | 4% | 3 | 10.1 | 20.1 | 0.5 (0.1–1.5) | 0.2 |
Liver | 10.0% | 15 | 12.0 | 12.1 | 1.0 (0.5–1.7) | 1.0 |
Peptic Ulcer | 4.2% | 10 | 24.1 | 14.8 | 1.6 (0.8–3.1) | 0.2 |
Rheumatic Disease (age 20+) | 2.9% | 7 | 24.5 | 14.9 | 1.6 (0.6–3.5) | 0.2 |