Table 1.
Baseline characteristics of patients with cognitive data by time-point.
| One to Three Months (n = 158) | 1 Year (n = 151) | 3 Years (n = 153) | ||||
|---|---|---|---|---|---|---|
| With vs. Without Cognitive Data | With vs. Without Cognitive Data | With vs. Without Cognitive Data | ||||
| Demographics | ||||||
| Age at index stroke | 65.09 ± 11.82 | W = 9544.5 | 65.01 ± 11.02 | W = 9845 * | 65.50 ± 11.18 | W = 9476.5 |
| Sex: Male | 93 (58.86%) | χ2 = 0.007 | 93 (61.59%) | χ2 = 1.242 | 83 (54.25%) | χ2 = 2.115 |
| Years of Education a | 11.71 ± 2.94 | W = 876.5 | 11.88 ± 3.02 | W = 1098.5 * | 12.04 ± 3.11 | W = 2633 |
| Smoker: | χ2 = 2.954 | χ2 = 7.551 | χ2 = 12.256 * | |||
| Yes | 48 (30.38%) | 42 (27.81%) | 43 (28.29%) | |||
| No | 56 (35.44%) | 58 (38.41%) | 61 (40.13%) | |||
| Ex-smoker (for more than 1 year) | 47 (29.75%) | 44 (29.14%) | 44 (28.95) | |||
| Ex-smoker (for less than 1 year) | 7 (4.43%) | 7 (4.64%) | 4 (2.63) | |||
| Stroke Characteristics | ||||||
| Stroke subtype: | χ2 = 0.287 | χ2 = 0.998 | χ2 = 0.224 | |||
| Cortical | 90 (56.96%) | 88 (58.28%) | 87 (56.86%) | |||
| Lacunar | 68 (43.04%) | 63 (41.72%) | 66 (43.14%) | |||
| Stroke severity (NIHSS) | 1.00 (1.00) | W = 9853.5 * | 1.00 (1.00) | W = 9319.5 | 1.00 (2.00) | W = 7709 |
| Cognitive Variables | ||||||
| ACE-R | 88.09 ± 8.17 | - | 88.93 ± 7.98 | W = 815 **,b | 88.32 ± 8.92 | W = 2512/W = 1864 *,c |
| NART IQ | 115.40 ± 8.60 | - | 117.56 ± 8.61 | W = 1031 *,b | 112.28 ± 8.40 | W = 2549.5/W = 1998.5 c |
a Collected at the 1-year follow-up; b baseline scores; c baseline/1-year follow-up scores; * p < 0.05; ** p < 0.001; W = Wilcoxon rank-sum test; χ2 = chi-square test; ACE-R = Addenbrooke’s Cognitive Examination-Revised; NART IQ = Premorbid IQ estimated using The National Adult Reading Test.