Table 1 Characteristics of study population

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)