Table II.

Odds ratio of in-hospital death among patients hospitalized with hypertension, National Hospital Discharge Survey, 1979–2006.

	Odds ratio	95% Confidence interval	p
Age (years)
25–64	1.00
65–74	1.66	1.65–1.67	< 0.0001
≥75	3.67	3.66–3.68	< 0.0001
Sex
Male	1.00
Female	0.83	0.82–0.84	< 0.0001
Insurance
Private	1.00
Public	1.26	1.25–1.27	< 0.0001
None	1.23	1.22–1.23	< 0.0001
Period in which hospitalized
1979–1982	1.00
1983–1986	0.75	0.75–0.76	< 0.0001
1987–1990	0.75	0.74–0.75	< 0.0001
1991–1994	0.67	0.66–0.67	< 0.0001
1995–1998	0.60	0.59–0.60	< 0.0001
1999–2002	0.53	0.52–0.53	< 0.0001
2003–2006	0.45	0.44–0.45	< 0.0001
Charlson Comorbidity Index	1.28	1.27–1.28	< 0.0001
First diagnosisa
Hypertension	1.00
Coronary heart disease	1.67	1.66–1.68	< 0.0001
Stroke	3.23	3.21–3.25	< 0.0001
Heart failure	1.46	1.45–1.47	< 0.0001
Other CVD	1.41	1.40–1.42	< 0.0001
Kidney disease	1.33	1.32–1.34	< 0.0001
Diabetes	0.87	0.86–0.88	< 0.0001

^aOdds ratio for each co-morbidity condition expressed as yes vs no. CVD, cardiovascular disease.