Table 5.
—Subgroup Analysis of Patients With CAP After Excluding Those With COPD: Comparison of 30-d Mortality, ICU Admission, and Mechanical Ventilation Among Hypocapnic and Hypercapnic Patients With CAP vs Normal Group
| Univariable |
Multivariable |
|||||
| Outcome | OR | 95% CI | P Value | HR | 95% CI | P Value |
| Hypocapnic (non-COPD) | ||||||
| 30-d mortality | 5.06 | 1.70-15.1 | .004 | 4.91 | 1.61-14.99 | .005 |
| ICU admission | 2.53 | 1.40-4.57 | .002 | 2.55 | 1.34-4.84 | .004 |
| Invasive mechanical ventilation | 1.71 | 0.71-4.13 | .2 | 1.56 | 0.63-3.88 | .3 |
| Hypercapnic (non-COPD) | ||||||
| 30-d mortality | 11.52 | 3.29-40.34 | < .001 | 8.98 | 2.45-32.92 | .001 |
| ICU admission | 5.95 | 2.59-16.63 | < .001 | 4.25 | 1.72-10.52 | .002 |
| Invasive mechanical ventilation | 4.02 | 1.34-12.03 | .01 | 3.08 | 0.97-9.80 | .056 |