Table 2.

The accuracy of Particulate matter machine learning for PM2.5 and PM10 concentrations to predict the events of outpatient visits for upper respiratory infections by the four regions and in all of Taiwan

Accuracy (%)		Overall population	Elderly population
Taiwan	PM2.5	81.75	89.05
	PM10	83.21	88.32
	PM2.5 + PM10	83.21	89.05
Northern region	PM2.5	63.04	80.43
	PM10	73.19	76.81
	PM2.5 + PM10	65.94	78.99
Central region	PM2.5	69.34	78.10
	PM10	72.26	74.45
	PM2.5 + PM10	69.34	77.37
Southern region	PM2.5	71.01	76.09
	PM10	71.74	74.64
	PM2.5 + PM10	71.74	74.64
Eastern region	PM2.5	67.15	80.29
	PM10	71.53	81.75
	PM2.5 + PM10	71.53	84.67

PM: Particulate matter.