Table 2. Multiple linear regression results of total cost of imported malaria patients in Shanglin County, Guangxi Zhuang Autonomoums Region, 2016–2019.

Variable	β	Standard error	Standard β	t value	P value
Intercept	1,822.8	151.3	0	12.1	<0.01
Age	7.7	3.3	0.1	2.4	0.02
Length of stay	268.6	17.7	0.5	15.1	<0.01
Onset-diagnosis interval (days)	−3.3	1.5	−0.1	−2.2	0.03