Table 1.

Descriptive statistics for the delivered liquid and dead volume for DI and AS.

Descriptive	Delivered liquid (mL)		Dead volume (mL)
	DI	AS	DI	AS
Mean	608	234	303	212
Median	609	206	321	207
Standard deviation	17.8	73.6	77.2	87.2
Minimum	583	143	160	107
Maximum	634	412	395	360
Shapiro–Wilk W	0.934	0.859	0.93	0.912
Shapiro–Wilk p	0.45	0.055	0.407	0.256