Table 3.
Logistic Regression Models of Outcome: In-hospital Mortality (N = 248)
| Model 1 | Model 2 | Model 3 | ||||
|---|---|---|---|---|---|---|
| OR (95% CI) | P value | AOR (95% CI) | P value | AOR (95% CI) | P value | |
| Early ID consult (reference = standard care) | 0.53 (0.30–0.91) | .02 | 0.47 (0.25–0.89) | .02 | 0.48 (0.25–0.91) | .02 |
| Age at index date | 1.03 (1.01–1.05) | .01 | 1.03 (1.01–1.05) | .01 | ||
| Race/ethnicity (reference = Non-Hispanic white) | ||||||
| Hispanic | 1.45 (0.68–3.10) | .33 | 1.43 (0.67–3.03) | .36 | ||
| Non-Hispanic black | 0.88 (0.39–2.02) | .77 | 0.93 (0.40–2.12) | .86 | ||
| Other/unknown | 0.83 (0.28–2.44) | .73 | 0.81 (0.27–2.38) | .70 | ||
| Charlson comorbidity score | 1.04 (0.94–1.15) | .42 | ||||
| Hemiplegia or paraplegia (reference = no) | 0.55 (0.10–3.04) | .50 | ||||
| Recent hospital admission (reference = no) | 1.16 (0.52–2.56) | .72 | 1.28 (0.60–2.73) | .52 | ||
| Recent IV antibiotics (reference = no) | 1.05 (0.46–2.37) | .91 | 1.09 (0.48–2.48) | .83 | ||
| History of MDRO (reference = no) | 1.24 (0.54–2.88) | .61 | 1.27 (0.55–2.95) | .58 | ||
| Hypotension (reference = no) | 0.77 (0.39–1.54) | .47 | 0.81 (0.41–1.61) | .55 | ||
| Lactate ≥4 (reference = no) | 0.94 (0.49–1.79) | .85 | 0.93 (0.49–1.77) | .83 | ||
| Vasopressors (reference = no) | 2.76 (1.42–5.34) | .003 | 2.80 (1.44–5.43) | .002 | ||
| Mechanical ventilation (reference = no) | 1.79 (0.82–3.94) | .15 | 1.76 (0.80–3.88) | .16 | ||
| Intra-abdominal source of infection (reference = no) | 0.64 (0.25–1.63) | .35 | 0.62 (0.25–1.56) | .31 |
Bold values indicate those that are statistically significant. Model 1: AUC = 0.58; Model 2: AUC = 0.72; Model 3: AUC = 0.71.
Abbreviations: AOR, adjusted odds ration; AUC, area under the curve; CI, confidence interval; ID, infectious diseases; IV, intravenous; MDRO, multidrug-resistant organism; OR, odds ratio.