Impact of proximity of thermoelectric power plants on bronchial obstructive crisis rates

BMC Public Health

Table 1 Mean (+/− SD) concentration of air pollutants detected in two towns in the province of Concepcion, Chile. 2012–2014

Year	Pollutant	Commune	Mean ± SD	t	p	95% CI
The entire study period	PM_2.5	Talcahuano	19.7 ± 6.7	6.0	<0.01	3.9; 7.8
	PM_2.5	Coronel	14.8 ± 9.2	6.0	<0.01	3.9; 7.8
	PM₁₀	Talcahuano	58.3 ± 16.1	−1.2	0.2	−7.7; 1.8
	PM₁₀	Coronel	62.2 ± 24.2	−1.2	0.2	−7.7; 1.8
	NO	Talcahuano	9.6 ± 9.5	−6.1	<0.01	−9.5; −4.9
	NO	Coronel	16.4 ± 9.7	−6.1	<0.01	−9.5; −4.9

ISSN: 1471-2458