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Table 2 Adjusted relative risks of ED presentations and hospital admissions associated with the 2009 dust storm

From: Health effects of the September 2009 dust storm in Sydney, Australia: did emergency department visits and hospital admissions increase?

ED Presentations Hospital Admissions
Category RR Lower 95% CI Upper 95% CI p-value Category RR Lower 95% CI Upper 95% CI p-value
All-cause All-cause
23/9/09-6/10/09 1.043 1.028 1.058 <.001 23/9/09-6/10/09 0.987 0.970 1.005 0.149
Non dust storm 1.000     Non dust storm 1.000    
Cardiovascular Cardiovascular
23/9/09-6/10/09 0.957 0.910 1.007 0.092 23/9/09-6/10/09 0.985 0.936 1.038 0.581
Non dust storm 1.000     Non dust storm 1.000    
Respiratory Respiratory
23/9/09-6/10/09 1.199 1.145 1.255 <.001 23/9/09-6/10/09 0.898 0.853 0.945 <.001
Non dust storm 1.000     Non dust storm 1.000    
Asthma Asthma
23/9/09-6/10/09 1.230 1.099 1.377 <.001 23/9/09-6/10/09 1.141 0.991 1.313 0.066
Non dust storm 1.000     Non dust storm 1.000    
  1. Details of variables included and distributed-lags are included in Additional file 1: Tables S2-S9.