TABLE 5.

Changes in the trend and level of utilization estimated by ITS regression analysis using pseudo-start period.

Outcome variable		Coefficient	95% CI	P
The utilization of mecapegfilgrastim usage	Constant	0.056	0.013–0.099	0.013
	Slope: August 2018 to April 2019	0.004	−0.006–0.014	0.399
	Chang in level: Based on NHIC policy	−0.050	−0.122–0.023	0.176
	Slope: March 2019 to March 2021	0.016	0.005–0.026	0.004