Table 3.

Ketamine utilization.

Ketamine	SDDK IV for analgesia	Ketamine IM for agitation/delirium
Dose in mg, median (IQR)	20 (IQR: 16.1–25)	242.4 (IQR 124.7–319.4)
Dose in mg/kg, median (IQR)	0.26 (0.2–0.3)	3.2 (1.89–4)
Unique ED encounters	170	37
No. patients with repeated ED encounters	13, accounting for 40 ED encounters	0
No. ED locations using ketamine (%)	15 out of 18 (83)	9 out of 18 (50)
ED Type
Hospital-based ketamine patients	196	37
Freestanding ketamine patients	14	0

SDDK, subdissociative-dose ketamine; IV, intravenous; IM, intramuscular; ED, emergency department; IQR, interquartile range; mg, milligram; kg, kilogram; no., number.