Table 3.

Associations between long-term exposures to environmental variables and cause-specific mortality. Results are expressed as percent increase of risk and relative 95% confidence intervals (CI) per $1{\text{-}\mathrm{\mu }\mathrm{g}/\mathrm{m}}^3$ increase of ${\mathrm{PM}}_{10}$.

Area/cause-specific mortality	Mortality
	IR%	95% CI
Latium Region
Nonaccidental	0.75	0.17	1.34
Cardiovascular	0.93	0.03	1.83
Respiratory	1.42	$-0.38$	3.25
Latium region without Rome
Nonaccidental	0.57	$-0.07$	1.22
Cardiovascular	0.59	$-0.38$	1.57
Respiratory	2.02	0.05	4.04
Rome (155 urbanistic zones)
Nonaccidental	0.53	$-0.05$	1.12
Cardiovascular	0.22	$-0.64$	1.08
Respiratory	0.57	$-1.43$	2.62