Table 3.
RR of Incident Stroke (of Any Type) by Age, Black:White, Hospital Ascertainment Only
| Black to White Incidence RR (95% CI) | p Value for trend over time | |||||
| 1993/4 | 1999 | 2005 | 2010 | 2015 | ||
| Overall | 1.62 (1.43–1.82) | 1.52 (1.34–1.70) | 1.77 (1.57–1.97) | 1.70 (1.51–1.89) | 1.83 (1.63–2.02) | 0.13 |
| 20–34 | 3.47 (0.97–5.97) | 1.93 (0.36–3.50) | 1.46 (0.36–2.57) | 1.58 (0.37–2.79) | 3.85 (1.45–6.24) | 0.95 |
| 35–44 | 4.15 (1.89–6.41) | 3.41 (1.85–4.97) | 2.65 (1.54–3.76) | 3.37 (1.92–4.83) | 3.44 (2.01–4.87) | 0.58 |
| 45–54 | 3.05 (1.92–4.17) | 3.38 (2.36–4.41) | 3.15 (2.32–3.97) | 2.43 (1.85–3.02) | 3.08 (2.24–3.92) | 0.48 |
| 55–64 | 1.72 (1.22–2.23) | 2.30 (1.67–2.93) | 2.47 (1.86–3.09) | 2.30 (1.77–2.84) | 2.53 (2.01–3.05) | 0.08 |
| 65–74 | 1.73 (1.36–2.11) | 1.43 (1.09–1.77) | 1.80 (1.37–2.24) | 1.59 (1.19–1.99) | 1.79 (1.39–2.20) | 0.64 |
| 75–84 | 1.25 (0.95–1.56) | 0.83 (0.59–1.06) | 1.21 (0.89–1.53) | 1.20 (0.86–1.54) | 1.22 (0.88–1.55) | 0.63 |
| 85+ | 1.15 (0.74–1.55) | 1.06 (0.71–1.42) | 0.81 (0.49–1.13) | 1.14 (0.77–1.51) | 0.81 (0.51–1.11) | 0.31 |
Abbreviation: RR = risk ratio.
For overall (all age groups combined, trend over time was evaluated using linear regression using inverse weighting of the standard error, p = 0.13). Adjusted for age and sex to the 2010 US population.