Skip to main content
. Author manuscript; available in PMC: 2024 Feb 5.
Published in final edited form as: Chemosphere. 2023 Oct 12;345:140397. doi: 10.1016/j.chemosphere.2023.140397

Table 2.

Associations between 1-μg/m3 increase in long-term PM exposure and hospital admission for neurological disorders.

PM1 PM2.5 PM10
HR (95% CI) P HR (95% CI) P HR (95% CI) P
Overall neurological disorders 1.10 (1.04–1.16) <0.01 1.09 (1.04–1.14) <0.01 1.03 (1.00–1.06) 0.04
Parkinson disease 1.12 (0.91–1.39) 0.29 1.09 (0.94–1.27) 0.26 1.01 (0.93–1.10) 0.81
Alzheimer disease 1.20 (0.89–1.62) 0.23 1.11 (0.88–1.40) 0.39 1.07 (0.93–1.24) 0.35
Ischemic stroke 1.15 (1.06–1.25) <0.01 1.13 (1.04–1.23) <0.01 1.05 (1.00–1.09) 0.04

Abbreviations: PM, particulate matter; PM1, particulate matter with an aerodynamic diameter ≤1 μm; PM2.5, particulate matter with an aerodynamic diameter ≤2.5 μm; PM10, particulate matter with an aerodynamic diameter ≤10 μm; HR, hazard ratios; CI, confidence interval.