Table 1

Bolus dosing characteristics

	Bupivacaine			Ropivacaine
	All	PVB	TAP	All	PVB	TAP
Bolus dosing
Concentration (%)	0.25 (0.125–0.5) n=2724	0.27 (0.125–0.5) N=2250	0.25 (0.125–0.375) N=474	0.5 (0.2–0.75), n=2978	0.5 (0.2–0.75), n=2518	0.5 (0.1–1.0), n=460
Volume (mL)	20 (6.5–60) N=2236	20 (8–60) N=1972	30 (5–40) N=264	20 (10–60), n=2581	20 (10–50), n=2140	30 (17.5–100), n=441
Weight-based volume (mL/kg)	0.4 (0.1–1.6) N=488	0.3 (0.1–0.4) N=278	0.4 (0.4–0.8) N=210	0.3 (0.1–0.4), n=397	0.3 (0.1–0.4), n=378	0.4 (0.4–0.4), n=19
Overall bolus dosing (calculated)
Median dose (mg/kg)	1.0 (0.18–2.1) N=2724	1.0 (0.23–2.1) N=2250	1.0 (0.14–2.0) N=474	1.4 (0.4–3.0), n=2978	1.3 (0.43–2.5), n=2518	2.1 (0.6–4.3), n=460
IQR (mg/kg)	0.7–1.4	0.7–1.4	0.8–1.4	0.8–2.1	0.8–2.1	1.0–2.9
90th percentile dose (mg/kg)	1.75	1.7	2.0	2.4	2.1	3.0
Mean±SD (mg/kg)	1.1±0.5	1.1±0.5	1.1±0.5	1.5±0.76	1.4±0.7	2.0±1.0