Table 2.
Demographic variables
| Aspiration N=14 |
No aspiration N=31 |
p-value | |||
|---|---|---|---|---|---|
| Age (median, IQR) | 57 (47−65) | 53 (46−66) | 0.938 | ||
| Gender (n, % male) | 10 (71%) | 20 (65%) | 0.649 | ||
| Race | White | 12 (86%) | 23 (74%) | 0.664 | |
| Black | 1 (7%) | 5 (16%) | |||
| Other | 1 (7%) | 3 (10%) | |||
| APACHE II (median, IQR) | 21 (16−36) | 22 (15−25) | 0.007 | ||
| Charlson Comorbidity Index (n, %) | 0 | 4 (29%) | 5 (16%) | 0.644 | |
| 1−2 | 6 (43%) | 15 (48%) | |||
| ≥3 | 4 (29%) | 11 (35%) | |||
| Duration of mechanical ventilation in days (median, IQR) | 3.3 (1.7−6.1) | 3.3 (1.9−6.2) | 0.628 | ||
| Reintubationa (n, %) | 4 (29%) | 4 (13%) | 0.109 | ||
| Duration of 1st intubation in days (median, IQR) | 2.4 (0.4−4.7) | 1.6 (0.8−2.3) | |||
| Duration of 2st intubation in hours (median, IQR) | 6.4 (5.2−7.8) | 2.3 (1.6−3.3) | |||
| Duration of 3st intubation in hours (median, IQR) | n/a | 3 | |||
| Endotracheal tube size ≥ 8.0 mm (n,%) | 7 (50%) | 18 (58%) | 0.028 | ||
| History of COPD | 5 (35%) | 5 (16%) | 0.285 | ||
| Sedative medications within 12 hours of swallow study | 5 (36%) | 13 (42%) | 0.394 | ||
| Positive Confusion Assessment Method for the ICU (CAM-ICU) scoreb | 2 (20%) | 3 (10%) | 0.132 | ||
| Activity Measure for Post-Acute Care (AM-PAC) score (median, IQR) | 13 (8−20.3) | 17 (14−19) | 0.018 | ||
Required >1 episode of mechanical ventilation prior to swallowing assessment.
For the 6 patients without a CAM−ICU charted, all were noted to be Glasgow Coma Scale 14 or greater.