Clinical Study
Cognitive Functions and Cognitive Reserve in Relation to Blood Pressure Components in a Population-Based Cohort Aged 53 to 94 Years
Table 3
Cognitive tests scores by blood pressure value adjusted for age and education.
| | Tests | Whole cohort () | Normotensive subjects () | Hypertensives subjects () | value crude | value adjusted for age and education |
| | Mini-mental state examination |
(25.8–26.6) |
(27.0–28.3) |
(25.4–26.4) | <0.005 | <0.05 | | Digit span |
(5.7–6.0) |
(5.8–6.5) |
(5.6–5.9) | 0.04 | 0.3 (NS) | | Immediate prose memory |
(7.8–9.0) |
(8.2–11.2) |
(7.4–8.7) | 0.03 | 0.7 (NS) | | Delayed prose memory |
(9.9–11.3) |
(11.0–14.3) |
(9.4–10.9) | <0.01 | 0.9 (NS) | | Memory with interference at 10 sec |
(3.6–4.3) |
(4.6–6.3) |
(3.2–4.0) | <0.0001 | <0.05 | | Memory with interference at 30 sec |
(0.9–1.5) |
(1.4–3.2) |
(0.7–1.3) | <0.005 | 0.2 (NS) | | Trail making test A |
(71.8–82.1) |
(59.8–83.4) |
(72.7–84.2) | 0.3 (NS) | 0.6 (NS) | | Trail making test B |
(144.8–171.5) |
(109.3–152.0) |
(153.1–185.7) | <0.01 | 0.2 (NS) | | Phonemic verbal fluency |
(7.5–8.4) |
(8.2–9.9) |
(7.2–8.3) | 0.03 | 0.9 (NS) | | Overlapping figure |
(15.6–17.6) |
(18.0–22.3) |
(14.7–16.9) | <0.001 | 0.2 (NS) | | Clock drawing test |
(6.0–6.8) |
(7.6–9.0) |
(5.5–6.5) | <0.0001 | <0.01 | | Cognitive reserve index |
(92.5–96.4) |
(95.9–102.7) |
(91.2–95.7) | 0.03 | <0.05 |
|
|
95% confidence intervals in brackets; NS: nonsignificant difference.
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