Table 1.
Comparison of intubation and ventilation-related parameters between intervention and control groups (N=120)
| Variable | Intervention (n=60) | Control (n=60) | P-value |
|---|---|---|---|
| Size of ETT (mm) | 0.522a) | ||
| 6.5 | 0 | 1 (1.7) | |
| 7 | 7 (11.7) | 7 (11.7) | |
| 7.5 | 33 (55.0) | 28 (46.7) | |
| 8 | 20 (33.3) | 24 (40.0) | |
| Duration of hospital stay (day) | 3.0 (2.0–4.8) | 3.0 (2.0–4.0) | 0.593b) |
| Daily minimum FiO2 (%) | 40.0 (40.0–57.5) | 40.0 (40.0–60.0) | 0.827b) |
| Daily minimum PEEP (cm H2O) | 5.0 (5.0–6.0) | 5.0 (5.0–5.0) | 0.254b) |
| Type of intubation | 0.273c) | ||
| Emergency | 28 (46.7) | 34 (56.7) | |
| Elective | 32 (53.3) | 26 (43.3) | |
| Type of suction | 1.000c) | ||
| Open | 36 (60.0) | 36 (60.0) | |
| Closed | 24 (40.0) | 24 (40.0) | |
| DOI (before enrollment) (hr) | 12.8±6.4 | 14.2±6.5 | 0.224d) |
| APACHE II scored) | 16.0±6.1 | 16.8±6.9 | 0.500d) |
Values are presented as number (%), median (interquartile range), or mean±standard deviation.
ETT: endotracheal tube; FiO2: fraction of inspired oxygen; PEEP: positive end-expiratory pressure; DOI: duration of intubation; APACHE: Acute Physiology and Chronic Health Evaluation.
a)
Fisher’s exact test;
b)
Mann-Whitney U-test;
c)
Chi-square test;
d)
Independent Student t-test.