Table 3 Rate ratios of ED visits occurring between December 21 and January 1

 Overall ED visits

1.08*

1.06-1.10

 Cardiac conditions

0.95

0.76-1.18

 Environmental causes

1.18

0.91-1.53

 Injuries

1.23*

1.17-1.29

 Overall ED visits

1.10*

1.09-1.11

 Cardiac conditions

0.75*

0.67-0.85

 Environmental causes

2.59*

2.23-3.01

 Injuries

1.26*

1.23-1.30

 Overall ED visits

1.11*

1.09-1.14

 Cardiac conditions

0.86

0.70-1.06

 Environmental causes

2.28*

1.73-3.00

 Injuries

1.03

0.97-1.08

 Overall ED visits

1.10*

1.09-1.11

 Cardiac conditions

0.78*

0.70-0.87

 Environmental causes

2.52*

2.21-2.87

 Injuries

1.23**

1.16-1.30