Table 3.
The cognitive function of participants aged 60 years and older from the National Health and Nutrition Examination Survey (NHANES) (2011–2014).
| Cognitive test |
NO HYP (N = 698) |
Controlled HYP (N = 890) |
Low uncontrolled HYP (N = 629) | High uncontrolled HYP (N = 261) | P value |
|---|---|---|---|---|---|
| Immediate Recall (CERAD-WL) score | 19.67 ± 4.42 | 19.13 ± 4.46 | 18.65 ± 4.72 | 18.17 ± 4.61 | <0.001 |
| Delayed Recall (CERAD-DR) score | 6.27 ± 2.28 | 6.05 ± 2.26 | 5.78 ± 2.36 | 5.62 ± 2.20 | <0.001 |
| Verbal Fluency (AFT) score | 17.97 ± 5.73 | 16.63 ± 5.32 | 16.37 ± 5.21 | 15.41 ± 5.28 | <0.001 |
| Executive function & processing speed (DSST) score | 50.44 ± 17.19 | 46.83 ± 16.69 | 44.58 ± 16.78 | 41.00 ± 16.43 | <0.001 |
| Immediate Recall (CERAD-WL) impairment, n (%)§ | 0.277 | ||||
| Absence | 508 (72.8) | 644 (72.4) | 435 (69.2) | 178 (68.2) | |
| Presence | 190 (27.2) | 246 (27.6) | 194 (30.8) | 83 (31.8) | |
| Delayed Recall (CERAD-DR) impairment, n (%)§ | 0.509 | ||||
| Absence | 495 (70.9) | 647 (72.7) | 440 (70.0) | 179 (68.6) | |
| Presence | 203 (29.1) | 243 (27.3) | 189 (30.0) | 82 (31.4) | |
| Verbal Fluency (AFT) impairment, n (%)§ | 0.001 | ||||
| Absence | 534 (76.5) | 615 (69.1) | 442 (70.3) | 170 (65.1) | |
| Presence | 164 (23.5) | 275 (30.9) | 187 (29.7) | 91 (34.9) | |
| Executive function & processing speed (DSST) impairment, n (%)§ | <0.001 | ||||
| Absence | 561 (80.4) | 664 (74.6) | 442 (70.3) | 169 (64.8) | |
| Presence | 137 (19.6) | 226 (25.4) | 187 (29.7) | 92 (35.2) |
§
The cognitive impairment was defined according to the cutoff points of cognitive function test scores adjusted by age (Table 1).