Table 2.

Perioperative outcome measures. Values are median (IQR [range])

	Median	IQR	Range
Block onset time (min)	30	30–30	30–45
Duration of surgery (min)	100	80–125	45–170
Propofol infusion rate (mg.kg−1.h−1)	1.5	1.25–2	1–2.5
Number of intraoperative ketamine (10 mg dose)	0	0–1.55	0–2
Duration of first analgesic requirement (hour)	8	7.5–9.5	6–14

IQ: interquartile range