Table 1: Population characteristics.

CharacteristicsPercentage (%)

Male57

Presence of a chronic disease50
 Asthma7
 Development delay5
 Neonatal leukemia4

Presence of an acute disease17
 Otitis media4
 Pneumonia and upper airway tract infection2

Have a previous sedation54
 Complication to previous sedation (any kind)9

Drug used
 Midazolam65
 Ketamine22
 Fentanyl21
 Chloral hydrate8
 Pentobarbital8