Table 4.
Cognitive domain | Model 11 | Model 22 | Model 33 | Model 44 | ||||
---|---|---|---|---|---|---|---|---|
HR (95% CI) | p value | HR (95% CI) | p value | HR (95% CI) | p value | HR (95% CI) | p value | |
Global impairment (n=453) | 1.13 (0.68, 1.86) | 0.64 | 0.91 (0.54, 1.54) | 0.72 | 0.90 (0.53, 1.52) | 0.69 | 0.91 (0.53, 1.55) | 0.73 |
Attention impairment (n=678) | 1.53 (1.02, 2.29) | 0.04 | 1.38 (0.91, 2.09) | 0.13 | 1.32 (0.87, 2.01) | 0.19 | 1.38 (0.91, 2.10) | 0.13 |
Language impairment (n=781) | 1.10 (0.73, 1.67) | 0.64 | 0.99 (0.64, 1.53) | 0.95 | 0.97 (0.63, 1.50) | 0.90 | 0.99 (0.64, 1.54) | 0.96 |
Memory impairment (n=708) | 1.04 (0.68, 1.61) | 0.85 | 0.85 (0.54, 1.33) | 0.46 | 0.81 (0.51, 1.27) | 0.35 | 0.81 (0.51, 1.28) | 0.36 |
Orientation impairment (n=703) | 1.05 (0.68, 1.63) | 0.82 | 0.98 (0.63, 1.52) | 0.92 | 0.97 (0.63, 1.51) | 0.91 | 0.96 (0.62, 1.51) | 0.87 |
Visuospatial impairment (n=716) | 1.10 (0.72, 1.69) | 0.66 | 1.04 (0.67, 1.61) | 0.87 | 1.00 (0.64, 1.55) | 1.00 | 0.99 (0.64, 1.55) | 0.97 |
Abbreviations: 3MS, Modified Mini-Mental State Examination; Q1, first quartile (<25th percentile); HR, hazard ratio; CI, 95% confidence interval.
Unadjusted model; main predictor only.
Adjusted for age, sex, race/ethnicity, years of education, treatment arm (pioglitazone vs. placebo).
Adjusted for model 2 + stroke history, hypertension history, hyperlipidemia history, myocardial infarction history, HOMA-IR index, smoking status, weekly alcohol use.
Adjusted for model 3 + stroke etiology (TOAST criteria), baseline NIHSS, baseline modified Rankin score.