Comparative Effect of Multi-Dose Contrast Median on Contrast-Enhanced Computed Tomography Workflow of Nurses and Hospital Efficiency: A Multi-CenterReal-World Prospective Observational Study in China

Table 2

Workflow of nursing staff with different packaging contrasts.

Type of power injector	Contrast agent specification (ml)	Operation of exchanging contrast agents			Overall operating time
		Time (s, average (standard deviation))	Number of times (times)	Frequency (times/person)
Dual-syringe power injector	100	(24.72)	227		(11.67)
	200	(14.79)	300		(8.11)
Syringeless power injector	100	19.39 (18.45)	560		(19.72)
	200	23.43 (2.60)	80		(0.06)

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