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Characteristics of study population
| Characteristics | |
|---|---|
| Age (years) | 43.23 ± 14.24 |
| Fasting time (h) | Mean ± SD |
| Solid | 11.09 ± 1.52 |
| Liquid | 2.08 ± 0.45 |
| Gender | N (%) |
| Male | 225 (55) |
| Female | 184 (45) |
| BMI (kg/m2) | N (%) |
| Under weight (< 18.5) | 33 (8.1) |
| Normal weight (18.5–24.9) | 168 (41.1) |
| Over weight (25–29.9) | 153 (37.4) |
| Obese (30–35) | 55 (13.4) |
| ASA-PS | N (%) |
| ASA-PS I | 212 (51.8) |
| ASA-PS II | 197 (48.2) |
| Premedication | N (%) |
| H2 blocker | 34 (8.3) |
| Proton pump inhibitors | 375 (91.7) |
