Age Group Unadjusted Cox Proportional Hazards Analysis African American Hispanic   1999-2008 1999-2008   HR 95% CI R2 for Trend 1999-2008 HR 95% CI R2 for Trend 1999-2008 35- 64 yrs 0.76 (0.63-0.92) 0.14 0.85 (0.65-1.13) 0.04 65-74 yrs 0.86 (0.78-0.93) 0.15 0.83 (0.73-0.95) 0.19 ≥ 75 yrs 0.77 (0.74-0.81) 0.004 0.91 (0.85- 0.98) 0.05 Total 0.73 (0.70-0.77) 0.01 0.87 (0.81-0.93) 0.09 Adjusted Cox Proportional Hazards Analysisa 35- 64 yrs 0.78 (0.65-0.94) 0.002 0.92 (0.69-1.22) 0.003 65-74 yrs 0.87 (0.79-0.98) 0.13 0.86 (0.75-0.98) 0.25 ≥ 75 yrs 0.79 (0.75-0.82) 0.01 0.92 (0.86- 0.98) 0.09 Total 0.77 (0.73-0.80) 0.01 0.89 (0.83-0.95) 0.14 a. Model adjusted for demographic characteristics, medical co-morbidity and hospital characteristics. *Whites = reference

Table 5: Unadjusted and adjusted cox proportional hazard ratios for in-hospital Dementia mortality by nis year and age group: african americans, hispanics vs. whites*.