Table 3.

Parameters from autoregressive integrated moving average (ARIMA) model (1, 0, 0) for ED revenue (January, 2005–December, 2008).

Parameters	Coefficient	T	P value
Mean maximum temperature	0.1176	2.77	0.009
Mean minimum temperature	−0.0736	−5.29	<0.001
Relative humidity	0.0672	4.33	<0.001
Accumulated rainfall	0.0008	4.18	<0.001
Nontrauma visits	0.0040	3.38	0.002
Trauma visits	0.0098	5.38	<0.001
Pediatric visits	−0.0004	−0.78	0.442
Stock index fluctuation	−0.0002	−0.74	0.463