Table 2.
Ratio of expected to observed stroke risk (95% confidence interval) by race-sex strata, overall and across different levels of FSRS and FSRS risk factors
| White | Black | |||
|---|---|---|---|---|
| Female (n=8342) |
Male (n=8198) |
Female (n=7037) |
Male (n=4171) |
|
| Overall | 1.71 (1.49, 1.96) | 1.88 (1.66, 2.11) | 1.71 (1.49, 1.96) | 1.60 (1.35, 1.89) |
| FSRS (mean, SD) | ||||
| Q1 (<2.98) | 1.72 (1.03, 2.86) | 3.46 (0.87, 13.8) | 1.05 (0.59, 1.85) | 1.12 (0.28, 4.37) |
| Q2 (2.98–5.17) | 1.70 (1.08, 2.67) | 2.09 (1.30, 3.34) | 1.37 (0.86, 2.19) | 1.96 (0.93, 4.13) |
| Q3 (5.17–8.27) | 1.92 (1.27, 2.92) | 1.58 (1.18, 2.11) | 1.02 (0.73, 1.42) | 1.67 (1.07, 2.61) |
| Q4 (8.27–14.59) | 1.26 (0.94, 1.69) | 1.46 (1.17, 1.83) | 1.31 (0.99, 1.73) | 1.16 (0.86, 1.57) |
| Q5 (>=14.59) | 1.85 (1.49, 2.30) | 2.04 (1.70, 2.47) | 2.60 (2.03, 3.33) | 1.94 (1.50, 2.50) |
| SPB Category | ||||
| Normal | 1.34 (1.03, 1.76) | 1.59 (1.23, 2.06) | 1.47 (1.01, 2.14) | 1.77 (1.09, 2.85) |
| Pre-Hypertension | 1.78 (1.44, 2.19) | 1.67 (1.42, 1.96) | 1.67 (1.36, 2.06) | 1.44 (1.13, 1.82) |
| Stage 1 | 2.44 (1.74, 3.43) | 2.45 (1.85, 3.24) | 1.60 (1.24, 2.06) | 1.75 (1.30, 2.35) |
| Stage 2 | 1.11 (0.72, 1.71) | 4.72 (2.23, 9.97) | 2.69 (1.63, 4.43) | 1.68 (1.02, 2.77) |
| Smoking Status | ||||
| Non-Smoker | 1.84 (1.57, 2.15) | .92 (1.69, 2.19) | 1.67 (1.44, 1.95) | 1.65 (1.37, 1.99) |
| Smoker | 1.20 (0.87, 1.64) | 1.56 (1.15, 2.12) | 1.92 (1.37, 2.70) | 1.41 (1.01, 1.96) |
| Age Category | ||||
| Young (45–64 years) | 1.72 (1.27, 2.35) | 2.12 (1.65, 2.74) | 1.66 (1.30, 2.13) | 1.53 (1.17, 2.00) |
| Middle (65–74 years) | 1.74 (1.37, 2.22) | 1.76 (1.46, 2.11) | 1.60 (1.28, 1.98) | 1.65 (1.36, 2.16) |
| Old (75+ years) | 1.66 (1.34, 2.05) | 1.76 (1.43, 2.15) | 1.90 (1.45, 2.47) | 1.61 (1.17, 2.22) |
| Heart Disease | ||||
| No Heart Disease | 1.70 (1.44, 2.00) | 1.71 (1.46, 2.00) | 1.65 (1.40, 1.94) | 1.60 (1.31, 1.94) |
| Heart Disease | 1.73 (1.31, 2.29) | 2.08 (1.70, 2.53) | 1.95 (1.44, 2.65) | 1.57 (1.16, 2.12) |
| LVH | ||||
| No LVH | 1.68 (1.45, 1.95) | 1.84 (1.62, 2.08) | 1.65 (1.40, 1.94) | 1.60 (1.33, 1.93) |
| LVH | 1.89 (1.25, 2.87) | 2.16 (1.43, 3.25) | 1.94 (1.44, 2.61) | 1.58 (1.11, 2.26) |
| Atrial Fibrillation | ||||
| No AFib | 1.61 (1.37, 1.89) | 1.87 (1.63, 2.14) | 1.50 (1.30, 1.74) | 1.54 (1.29, 1.84) |
| AFib | 2.06 (1.50, 2.82) | 1.82 (1.38, 2.41) | 4.09 (2.48, 6.77) | 2.10 (1.23, 3.56) |
| Diabetes | ||||
| No Diabetes | 1.65 (1.39, 1.92) | 1.98 (1.63, 2.14) | 1.52 (1.27, 1.82) | 1.53 (1.22, 1.91) |
| Diabetes | 2.00 (1.45, 2.76) | 1.88 (1.47, 2.41) | 2.05 (1.59, 2.66) | 1.79 (1.37, 2.34) |