Table 1.
Cognitive outcome variables from the cognitive battery.
Cognitive test | Cognitive domain | Outcome variable | Descriptive statistics | ||
---|---|---|---|---|---|
Mean | SD | Range | |||
HVTL-R | Verbal episodic memory | Total Recall | 26.96 | 3.72 | 19–33 |
Delayed Recall | 9.73 | 1.61 | 7–12 | ||
Retention Rate | 93.46% | 10.93% | 73–100% | ||
Recognition Score | 11.19 | 1.02 | 8–12 | ||
SDMT | Processing Speed | Total Score | 56.19 | 5.72 | 45.45–68.18 |
Stroop | Executive Function/Inhibition Control | Incongruent Score | 109.42 | 5.22 | 89–112 |
Incongruent RT | 102.50 | 19.67 | 55–147 | ||
Congruent RT | 53.58 | 10.11 | 39–89 | ||
Frontal Lobe Dysfunction Score | 0.26 | 0.13 | 0.2–0.8 | ||
COWAT | Executive Function/Verbal Fluency | Total Score | 42.50 | 11.92 | 21–68 |
Color Trails | Executive Function/Cognitive Flexibility | CT1 Score | 30.88 | 8.59 | 17–50 |
CT2 Score | 56.88 | 8.77 | 45–75 | ||
Interference Index | 0.96 | 0.54 | 0.11–2.38 | ||
CESD-R | Depression | Total Score | 9.12 | 8.54 | 0–31 |
Abbreviations: HVTL-R, Hopkins Verbal Learning Test-Revised; SDMT, The Symbol Digit Modalities Test; COWAT, The Controlled Oral Word Association Test; CESDR-R, Center for Epidemiologic Studies Depression Scale—Revised; CT, Color Trails; RT, reaction time; SD, standard deviation.