Table 2. Estimated coefficients of the segmented regression model for neonate admissions and disease spectra since January 4, 2019–August 27, 2020.

Variable	Coefficient	Estimate	Std. Error	t-value	P-value
Neonatal admissions	Intercept β0	217.226	4.631	46.903	<0.05 *
	Baseline trend β1	0.089	0.144	0.618	0.54
	Level change after intervention β2	‒176.566	24.723	‒7.142	<0.05*
	Trend change after intervention β3	1.408	0.369	3.816	<0.05*
Neonatal Transport	Intercept β0	53.837	2.293	23.476	<0.05*
	Baseline trend β1	0.018	0.071	0.254	0.80
	Level change after intervention β2	‒52.845	12.295	‒4.298	<0.05*
	Trend change after intervention β3	0.553	0.183	3.026	<0.05*
Respiratory system	Intercept β0	72.994	4.067	17.944	<0.05*
	Baseline trend β1	0.130	0.125	1.042	0.30
	Level change after intervention β2	‒37.848	21.337	‒1.774	0.08
	Trend change after intervention β3	0.031	0.321	0.099	0.92
Pathological jaundice-related diseases	Intercept β0	56.345	2.374	23.735	<0.05*
	Baseline trend β1	0.081	0.073	1.105	0.27
	Level change after intervention β2	‒57.833	12.633	‒4.578	<0.05*
	Trend change after intervention β3	0.582	0.188	3.084	<0.05*
Gastrointestinal system	Intercept β0	26.837	1.620	16.561	<0.05*
	Baseline trend β1	0.023	0.050	0.476	0.63
	Level change after intervention β2	‒16.461	8.653	‒1.903	0.06
	Trend change after intervention β3	0.104	0.129	0.807	0.42
Infectious diseases	Intercept β0	10.484	1.173	8.938	<0.05*
	Baseline trend β1	0.071	0.036	1.963	0.05
	Level change after intervention β2	‒9.867	6.158	‒1.602	0.11
	Trend change after intervention β3	0.012	0.092	0.133	0.90

Statistical differences:

* p< 0.05.