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. 2026 Apr 24;17:1801603. doi: 10.3389/fphar.2026.1801603

TABLE 2.

Peri-sedation outcomes.

Variables Total (n = 180) Group D+C (n = 90) Group D+M (n = 90) P
First-attempt sedation success, n (%) 164 (91.11) 78 (86.67) 86 (95.56) 0.036
Sedation onset time (min), M (Q1, Q3) 20.50 (15.75, 26.00) 18.50 (15.00, 23.00) 23.00 (18.00, 30.00) <0.001
Procedure duration (min), M (Q1, Q3) 68.00 (63.00, 80.00) 68.00 (64.00, 77.75) 68.00 (62.25, 80.75) 0.544
Recovery time (min), M (Q1, Q3) 27.00 (19.00, 35.00) 30.50 (20.25, 37.00) 26.00 (16.25, 34.00) 0.052
Bradycardia, n (%) 19 (10.56) 12 (13.33) 7 (7.78) 0.225
Respiratory depression, n (%) 10 (5.56) 6 (6.67) 4 (4.44) 0.515
Hypoxemia, n (%) 6 (3.33) 4 (4.44) 2 (2.22) 0.678
Nausea and vomiting, n (%) 5 (2.78) 4 (4.44) 1 (1.11) 0.364
Delayed recovery 1 (0.56) 1 (1.11) 0 (0.00) 1.000
Children’s medication acceptance, M (Q1, Q3) 4.00 (4.00, 4.00) 4.00 (3.00, 4.00) 4.00 (4.00, 5.00) <0.001
Parental satisfaction, M (Q1, Q3) 4.00 (4.00, 4.00) 4.00 (4.00, 4.00) 4.00 (4.00, 5.00) <0.001

Data are presented as median (interquartile range) or number (%), as appropriate.

Abbreviations: Group D+C received intranasal dexmedetomidine combined with oral chloral hydrate, and Group D+M received intranasal dexmedetomidine combined with oral midazolam.