Research Article

Sulfur Dioxide and Emergency Department Visits for Stroke and Seizure

Table 3

Odds ratios and their 95% confidence intervals for ED visits for ischemic stroke.

ModelPredictors
LagSO2LagCOLag O3

SO22
3
1.11 (1.00, 1.23)
1.15 (1.04, 1.27)*
CO3
4
1.10 (1.00, 1.21)*
1.12 (1.02, 1.23)*
O35
6
1.02 (0.89, 1.18)
1.10 (0.96, 1.27)
SO2 + O32
3
1.11 (1.00, 1.23)
1.16 (1.05, 1.29)*
5
6
1.04 (0.90, 1.20)
1.13 (0.98, 1.30)
CO + O33
4
1.12 (1.01, 1.23)*
1.15 (1.05, 1.27)*
5
6
1.07 (0.92, 1.24)
1.17 (1.01, 1.35)*
SO2 + CO2
3
1.07 (0.96, 1.20)
1.11 (1.00, 1.24)*
3
4
1.07 (0.97, 1.19)
1.07 (0.97, 1.19)
SO2 + CO + O32
3
1.07 (0.95, 1.20)
1.11 (1.00, 1.24)*
3
4
1.09 (0.98, 1.21)
1.11 (1.00, 1.24)*
5
6
1.07 (0.92, 1.24)
1.17 (1.01, 1.35)*

*P value <0.05.