Table 1 Demographic characteristics of the study population

Age (years)

4.4 ± 0.9

4.0 ± 1.2

0.218

Sex (M/F, %)

14/19 (42.4/57.6)

14/18 (43.8/56.3)

0.914

Height (cm)

108.6 ± 8.0

105.4 ± 9.0

0.135

Weight (kg)

18.4 ± 3.0

17.4 ± 3.1

0.176

Operation time (min)

25 (20–35)

20 (15–28.75)

0.138

Anesthesia time (min)

44.8 ± 2.6

40.8 ± 10.9

0.180

Size of laryngeal mask airway (2/2.5, %)

26/7 (78.8/21.2)

28/4 (87.5/12.5)

0.511

 Activity

2.0 (1.0–2.0)

2.0 (1.0–2.0)

0.281

 Vocalization

2.0 (1.0–3.0)

2.0 (1.0–3.0)

0.781

 Emotional expressivity

2.0 (1.25–3.0)

2.0 (1.0–3.0)

0.300

 State of apparent arousal

2.0 (1.0–2.75)

1.0 (1.0–2.0)

0.534

 Use of parents

2.0 (1.25–3.0)

2.0 (1.0–3.0)

0.501

 Total score

47.5 (30.4–58.0)

41.7 (28.3–60.0)

0.465