Table 3.
Multivariate analysis of factors associated with the risk of IMV and in-hospital mortality
| Ventilated (n = 50) * | P value † | In-Hospital Mortality (n = 40) * | P value † | |
|---|---|---|---|---|
| Age | ||||
| <65 years | 1 (Reference) | 1 (Reference) | ||
| ≥65 years | 2.5 (0.84–7.4) | .10 | 6.0 (1.9–19) | .002 |
| Race | ||||
| Black | 1 (Reference) | 1 (Reference) | ||
| White | 0.47 (0.14–1.5) | .21 | 0.87 (0.28–2.7) | .81 |
| Other | 2.1 (0.74–6.2) | .16 | 3.8 (1.3–11) | .019 |
| BMI | ||||
| <30 | 1 (Reference) | 1 (reference) | ||
| ≥30 | 3.7 (1.8 – 7.9) | <.001 | 1.2 (0.54–2.5) | .71 |
| Employment | ||||
| No | 1 (Reference) | 1 (Reference) | ||
| Yes | 0.96 (0.35 – 2.6) | .93 | 0.79 (0.22 – 2.8) | .71 |
| Retired | 1.4 (0.47 – 4.0) | .57 | 0.43 (0.15–1.2) | .12 |
| Insurance | ||||
| Medicaid | 1.6 (0.54–4.8) | .39 | 1.1 (0.31–4.2) | .85 |
| Medicare | 1 (Reference) | 1 (Reference) | ||
| Private | 1.4 (0.40–4.7) | .62 | 1.8 (0.44–7.4) | .41 |
| CCI Score | ||||
| 0 | 1 (Reference) | 1 (Reference) | ||
| 1 | 1.5 (0.54–4.1) | .45 | 3.0 (0.74–12.1) | .12 |
| 2 | 0.95 (0.26–3.5) | .94 | 2.9 (0.59–14) | .19 |
| ≥3 | 4.1 (1.5–11) | .008 | 9.5 (2.4–38) | .002 |
Presented as odds ratio (95% Confidence Interval).
CCI, Charlson Comorbidity Index.
IMV, invasive mechanical ventilation.
Multivariate logistic regression model analysis includes age, race, employment, BMI, obesity, insurance, and CCI score.
Fisher's exact test.