Table 4.

Children’s and Infants’ Postoperative Pain Scale (CHIPPS)¹⁴ scores 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	0 (0–9)	0 (0–8)
10	0 (0–9)	0 (0–8)
20	0 (0–10)	0 (0–4)
30	0 (0–2)	0 (0–4)

Data presented as median (range).

PACU, postanaesthesia care unit.

No statistically significant between group differences (P ≥ 0.05; Mann–Whitney U-test).