Table 4.
Association between ventilator-associated events and selected clinical parameters (N=120)
| Parameter | Ventilator-associated event |
P-value | |
|---|---|---|---|
| Present | Absent | ||
| Type of intubation | 0.446a) | ||
| Emergency | 41 (66.1) | 21 (33.9) | |
| Elective | 40 (69.0) | 18 (31.0) | |
| Type of suction | 0.359a) | ||
| Open | 50 (69.4) | 22 (30.6) | |
| Closed | 31 (64.6) | 17 (35.4) | |
| Duration of intubation before enrollment (hr) | 13.96±6.05 | 12.49±7.15 | 0.241b) |
| Duration of hospital stay (day) | 3.0 (2.0–4.0) | 3.0 (2.0–5.0) | 0.610c) |
| Daily minimum FiO2 (%) | 40.0 (40.0–60.0) | 40.0 (40.0–60.0) | 0.995c) |
| Daily minimum positive end-expiratory pressure (cm H2O) | 5.0 (5.0–5.50) | 5.0 (5.0–5.0) | 0.765c) |
| APACHE II score | 16.0 (12.0–21.0) | 16.0 (11.0–21.0) | 0.770c) |
| Body temperature (°C) | 36.7 (36.7–37.2) | 36.7 (36.7–37.2) | 0.456c) |
| Respiratory rate (/min) | 21.0 (18.0–27.0) | 20.0 (15.0–27.0) | 0.560c) |
| Random blood sugar (mg/dl) | 142.0 (111.5–206.5) | 152.0 (109.0–191.0) | 0.860c) |
| White blood cell (/mm3) | 15.0 (10.0–19.0) | 16.0 (12.0–21.0) | 0.257c) |
Values are presented as number (%), mean±standard deviation, or median (interquartile range).
APACHE: Acute Physiology and Chronic Health Evaluation.
a)
Chi-square;
b)
Independent Student t-test;
c)
Mann-Whitney U-test.