Table 5. Percent increase and 95% confidence intervals of CVD-related hospital admissions per interquartile range increase in CVD syndromic counts, 2004–2006.

	Syndrome 1	Syndrome 2
Season	% increase* (95% CI)	% increase* (95% CI)
Cold	14.1 (12.5–15.7)†	16.0 (14.2–17.8) †
Warm	10.0 (8.8–11.5) †	12.5 (10.8–14.1) †

*Adjusted for seasonal (5df/yr), day-of-week, and holiday trends.

^†p<0.05.