Table 1.

Comparison of the pump characteristics of levodopa carbidopa infusion (LCIG) and levodopa–carbidopa–entacapone (LECIG) infusion obtained from respective pump user manuals with expert inference

	Smith Medical CADD 1400 legacy LCIG pump	CRONO LECIG pump	Comments
Size (container included)	197 × 100 mm	152 × 55 mm	LECIG pump smaller
Weight (cartridge included)	500 g	230 g	LECIG pump lighter
Cartridge vs syringe	100 ml cartridge (easy to attach)	47 ml pre-filled syringe	Both acceptable
Flow rate	0–20 ml/h (0.1 ml/h increments)	0–20 ml/h (0.1 ml/h increments)	Similar flow rates and bolus. CRONO allows multi-rate programming
Battery life	Two AA alkaline batteries (approximately 14 days at 10 ml/day)	1.3 V lithium battery (90 × 47 ml infusions)	Both acceptable