TABLE 4.

Changes in the trend and level of utilization estimated by ITS regression analysis.

Outcome variable		Coefficient	95% CI	P
The utilization of mecapegfilgrastim usage	Constant	0.054	0.021–0.087	0.002
	Slope: August 2018 to December 2019	0.004	−0.000–0.008	0.055
	Chang in level: Based on NHIC policy	0.143	0.083–0.204	0.000
	Slope: January 2020 to March 2021	0.011	0.004–0.178	0.004