Table 2.
Univariate analysis of continuous risk factors for aspiration
| Parameter | Patients without aspiration Mean±SD (range) |
Eligible patients | Patients with aspiration Mean±SD (range) |
Eligible patients | P value |
| Age (years) | 34.6±14.5 (15–74) | 390 | 47.4±9.3 (32–65) | 21 | <0.0001 |
| Blood alcohol level (g/L) | 2.6±1.0 (0.9–5.9) | 390 | 3.4±1.3 (1.7–5.5) | 21 | 0.017 |
| Initial GCS score | 11 (median) ±4 (3–15) | 378 | 3 (median) ±2 (3–9) | 20 | <0.0001 |
| SpO2 (%) | 96±6 (47–100) | 365 | 90±8 (73–100) | 21 | 0.006 |
| Systolic blood pressure (mm Hg) | 121±22 (70–200) | 371 | 122±20 (96–160) | 21 | 0.772 |
| Heart rate (bpm) | 92±20 (35–180) | 377 | 89±20 (50–120) | 21 | 0.580 |
| Respiratory rate (1/min) | 15±5 (0–35) | 302 | 13±3 (8–18) | 19 | 0.014 |
| Blood glucose level (mg/dL) | 109±40 (65–487) | 388 | 139±60 (72–335) | 21 | 0.028 |
GCS, Glasgow Coma Scale; SpO2, peripheral oxygen saturation.