Table 2.

Incidence of emergence agitation^a following sevoflurane anaesthesia in children undergoing ophthalmic surgery, stratified by study drug.

Time after arrival at PACU, min	Midazolam group n = 34	Ketamine group n = 33
0	8 (23.5)	8 (24.2)
10	6 (17.6)	0 (0.0)*
20	4 (11.8)	0 (0.0)*
30	0 (0.0)	0 (0.0)
Overall (0–30)	15 (44.2)	11 (33.3)

Data presented as n (%) of patients.

^aAono’s four-point scale score ≥3.¹³

PACU, postanaesthesia care unit.

^*P < 0.05 versus midazolam group; χ²-test.