Table 2.
Subgroup analyses of the association between prehypertension and cardiovascular morbidity
| Subgroup | Risk ratio (95% CI) | P-value between subgroups |
|---|---|---|
|
Blood pressure range |
|
|
| Low-range prehypertension |
1.46 (1.32, 1.62) |
0.02 |
| High-range prehypertension |
1.63 (1.47, 1.80) |
|
|
Gender |
|
|
| Men |
1.80 (1.44, 2.24) |
0.11 |
| Women |
1.46 (1.28, 1.67) |
|
|
Race/ethnicity |
|
|
| Asian |
1.54 (1.34, 1.77) |
0.96 |
| Non-Asian |
1.55 (1.36, 1.77) |
|
|
Participant’s average age |
|
|
| <55 years |
1.55 (1.31, 1.84) |
0.72 |
| ≥55 years |
1.50 (1.35, 1.67) |
|
|
Follow-up duration |
|
|
| <10 years |
1.45 (1.27, 1.67) |
0.21 |
| ≥10 years) |
1.63 (1.45, 1.84) |
|
|
Participant number |
|
|
| <10,000 |
1.59 (1.38, 1.84) |
0.52 |
| ≥10,000 |
1.49 (1.28, 1.73) |
|
|
Study quality |
|
|
| Good (score 7 to 8) |
1.54 (1.37, 1.73) |
1 |
| Fair (score 4 to 6) | 1.54 (1.21, 1.96) |