TABLE 4.
Univariate analysis of crude mortality (stratified by poly- or monomicrobial infections)
| Factor | Crude RR (95% CI) | RR (95% CI)
|
MHRRa (95% CI) | |
|---|---|---|---|---|
| Monomicrobial RR (95% CI) | Polymicrobial RR (95% CI) | |||
| Intensive medicine areas | 2.8 (1.4–5.7) | 5.7 (1.7–19.3) | 1.3 (0.6–2.7) | 2.2 (1.2–4) |
| Nasogastric tube | 2.2 (1.2–4.2) | 4 (1.3–12.2) | 1.2 (0.6–2.5) | 1.9 (1–3.4) |
| Mechanical ventilation | 4 (2.2–7.5) | 10.5 (3.3–33.7) | 1.8 (0.9–3.6) | 3.2 (1.9–5.7) |
| Previous ICU admission | 2.3 (1.2–4.5) | 5.2 (1.5–17.8) | 1 (0.5–2) | 1.8 (1–3.3) |
| Parenteral nutrition | 2.6 (1.4–4.8) | 5.9 (2.2–15.8) | 1.2 (0.5–2.5) | 2.1 (1.2–3.6) |
| Respiratory source | 2.9 (1.6–5.3) | 1.9 (0.4–10.6) | 2.6 (1.7–4.2) | 2.5 (1.4–4.2) |
| Hemodynamic compromise | 9.7 (3.6–25.6) | 8.4 (2.5–27.5) | 10.3 (1.5–69.5) | 9.3 (3–28.4) |
| Inappropriate antimicrobial therapy | 3 (1.7–5.2) | 2.7 (1.1–7.2) | 2.6 (1.4–4.9) | 2.7 (1.6–4.6) |
| HLRG | 1 (0.5–2) | 0.9 (0.3–3) | 1 (0.5–2.2) | 1 (0.5–1.9) |
| Polymicrobial infection | 2.5 (1.3–4.9) | |||
a
MHRR, Mantel-Hanzel RR adjusted by polymicrobial infection.