Table 2 Patient characteristics at randomization and during the first 48 h after intubation
From: Is COPD associated with increased risk for microaspiration in intubated critically ill patients?
COPD | p value | ||
|---|---|---|---|
Yes (n = 70) | No (n = 445) | ||
Size of tracheal tube | 0.012 | ||
6.5 and 7 mm | 4 (6) | 63 (14) | |
7.5 mm | 29 (41) | 233 (52) | |
8 and 8.5 mm | 35 (50) | 125 (28) | |
Shape of tracheal cuff | 0.16 | ||
Standard | 51 (73) | 296 (67) | |
Tapered | 19 (27) | 149 (33) | |
Continuous control of cuff pressure | 14 (20) | 40 (9) | 0.010 |
Positive end expiratory pressure, H2O | 7 (6, 9) | 8 (6, 10) | 0.050 |
Enteral nutrition | 63 (90) | 360 (81) | 0.093 |
Vomiting | 9 (13) | 59 (13) | 0.99 |
Prokinetics | 8 (11) | 50 (11) | 0.99 |
Proton pump inhibitor | 40 (57) | 255 (51) | 0.99 |
Sedation | 56 (80) | 356 (80) | 0.99 |
Neuromuscular-blocking agents | 14 (20) | 104 (23) | 0.64 |
Glasgow coma score | 14 (7, 15) | 14 (7, 15) | 0.95 |
Ramsay score | 4 (3, 4) | 4 (3, 4) | 0.833 |