Adjusted outcomes by obesity class in intubated cohort*
| BMI | Normal | Underweight | Overweight | Obese | Morbidly obese |
| VFD (60 days) | |||||
| Estimate | — | 0.15 | 3.4 | 3.5 | 1.1 |
| 95% CI | — | −19 to 19 | −2.1 to 8.8 | −2.2 to 9.2 | −9.0 to 11 |
| Q value† | — | 0.99 | 0.54 | 0.54 | 0.97 |
| VFD (28 days) | |||||
| Estimate | — | 2.6 | 0.93 | 0.32 | 1.2 |
| 95% CI | — | −4.8 to 10.0 | −1.2 to 3.1 | −1.9 to 2.5 | −2.7 to 5.1 |
| Q value | — | 0.76 | 0.76 | 0.92 | 0.79 |
| Length of stay (days) | |||||
| Estimate | — | −23 | 4 | 1.5 | −7.6 |
| 95% CI | — | −55 to 9.5 | −5.2 to 13 | −8.1 to 11 | −25 to 9.5 |
| Q value | — | 0.67 | 0.72 | 0.93 | 0.72 |
| Discharge to home | |||||
| OR | — | 0.86 | 0.94 | 1.5 | 2.1 |
| 95% CI | — | 0.04 to 8.0 | 0.47 to 1.9 | 0.78 to 3.1 | 0.64 to 6.5 |
| Q value | — | >0.99 | >0.99 | 0.7 | 0.7 |
| Tracheostomy | |||||
| OR | — | 0 | 1.2 | 1.4 | 0.6 |
| 95% CI | — | 0.68 to 2.2 | 0.79 to 2.7 | 0.17 to 1.8 | |
| Q value | — | >0.99 | 0.95 | 0.95 | 0.95 |
*Adjusted for age, sex, race, diabetes, hypertension, chronic obstructive pulmonary disease, asthma, end stage renal disease, coronary artery diseases, heart failure, cerebrovascular accident and cancer.
†Q-value: False discovery rate correction for multiple testing.
VFD, ventilator free days.