Table 3.
Adjusted hazard ratio of BP levels for the incidence of the first-ever stroke in this cohort study by stroke types (95% CI).
| BP category | Stroke | IS | ICH |
|---|---|---|---|
| TOTAL | |||
| SBP, mmHg | 1.016 (1.012, 1.019)* | 1.013 (1.008, 1.018)* | 1.020 (1.011, 1.029)* |
| < 130 | 1.00 | 1.00 | 1.00 |
| 130~ | 1.11 (0.89, 1.38) | 1.14 (0.88, 1.48) | 0.98 (0.59, 1.61) |
| 140~ | 1.58 (1.26, 1.99)* | 1.60 (1.20, 2.12)* | 1.44 (0.84, 2.44) |
| 160~ | 2.56 (1.90, 3.46)* | 2.67 (1.81, 3.94)* | 3.30 (1.70, 6.42)* |
| ≥180 | 3.08 (2.23, 4.26)* | 2.40 (1.50, 3.84)* | 3.12 (1.41, 6.87)* |
| DBP, mmHg | 1.030 (1.023, 1.037)* | 1.027 (1.018, 1.036)* | 1.038 (1.022, 1.055)* |
| < 80 | 1.00 | 1.00 | 1.00 |
| 80~ | 1.18 (0.95, 1.46) | 1.03 (0.80, 1.34) | 1.57 (0.95, 2.58) |
| 90~ | 1.64 (1.31, 2.05)* | 1.55 (1.17, 2.04)* | 1.79 (1.03, 3.12)* |
| 100~ | 2.36 (1.72, 3.22)* | 2.16 (1.45, 3.24)* | 3.23 (1.56, 6.67)* |
| ≥110 | 4.51 (3.16, 6.43)* | 3.89 (2.40, 6.29)* | 6.41 (2.85, 14.41)* |
| MEN | |||
| SBP, mmHg | 1.019 (1.014, 1.025)* | 1.017 (1.010, 1.025)* | 1.021 (1.009, 1.033)* |
| < 130 | 1.00 | 1.00 | 1.00 |
| 130~ | 1.17 (0.89, 1.53) | 1.15 (0.82, 1.61) | 1.19 (0.68, 2.10) |
| 140~ | 1.59 (1.18, 2.14)* | 1.78 (1.23, 2.59)* | 1.12 (0.56, 2.26) |
| 160~ | 3.02 (2.01, 4.56)* | 2.75 (1.54, 4.89)* | 4.24 (1.88, 9.55)* |
| ≥180 | 3.01 (1.90, 4.79)* | 2.78 (1.42, 5.42)* | 2.26 (0.74, 6.97) |
| DBP, mmHg | 1.037 (1.028, 1.047)* | 1.034 (1.022, 1.047)* | 1.045 (1.025, 1.066)* |
| < 80 | 1.00 | 1.00 | 1.00 |
| 80~ | 1.39 (1.04, 1.84)* | 1.24 (0.87, 1.76) | 1.85 (0.98, 3.48) |
| 90~ | 1.91 (1.42, 2.58)* | 1.95 (1.35, 2.83)* | 1.88 (0.93, 3.82) |
| 100~ | 2.01 (1.27, 3.17)* | 2.09 (1.17, 3.75)* | 3.16 (1.22, 8.22)* |
| ≥ 110 | 5.33 (3.30, 8.61)* | 4.22 (2.10, 8.51)* | 7.29 (2.66, 19.96)* |
| WOMEN | |||
| SBP, mmHg | 1.012 (1.007, 1.018)* | 1.010 (1.003, 1.017)* | 1.019 (1.005, 1.032)* |
| < 130 | 1.00 | 1.00 | 1.00 |
| 130~ | 1.03 (0.72, 1.50) | 1.22 (0.81, 1.86) | 0.44 (0.13, 1.53) |
| 140~ | 1.48 (1.04, 2.11)* | 1.29 (0.82, 2.02) | 1.92 (0.84, 4.38) |
| 160~ | 2.00 (1.28, 3.11)* | 2.31 (1.36, 3.92)* | 1.86 (0.57, 6.08) |
| ≥180 | 2.83 (1.79, 4.46)* | 2.00 (1.04, 3.87)* | 3.28 (1.06, 10.14)* |
| DBP, mmHg | 1.023 (1.013, 1.033)* | 1.020 (1.007, 1.033)* | 1.027 (1.001, 1.053)* |
| < 80 | 1.00 | 1.00 | 1.00 |
| 80~ | 1.02 (0.73, 1.42) | 0.92 (0.62, 1.36) | 1.11 (0.49, 2.53) |
| 90~ | 1.27 (0.89, 1.80) | 1.18 (0.77, 1.80) | 1.38 (0.56, 3.37) |
| 100~ | 2.68 (1.74, 4.13)* | 2.31 (1.33, 4.03)* | 2.52 (0.82, 7.68) |
| ≥110 | 3.45 (2.05, 5.81)* | 3.39 (1.76, 6.21)* | 3.53 (0.91, 13.61) |
*
indicated P < 0.05.