Measures of central tendency and variability by sample and score
| MacCAT-CR | Total possible score | MRI (n=20) | Genetics (n=19) | HRV (n=16) | |||
| Total score | 42 | Median (range) 40 (19–42) | Mean (SD) 36.65±7.71 | Median (range) 39 (31–42) | Mean (SD) 38.8±3.45 | Median (range) 39 (28–42) | Mean (SD) 37.7±3.30 |
| Subscale scores | Total possible subscale score | MRI | Genetics | HRV | |||
| Understanding | 26 | 24 (10–26) | 21.5±5.83 | 25 (17–26) | 23.3±2.96 | 23 (15–26) | 22.2±2.60 |
| Appreciation | 6 | 6 (2–6) | 5.45±1.36 | 6 (5–6) | 5.81±0.43 | 6 (4–6) | 5.84±0.51 |
| Reasoning | 8 | 8 (4–8) | 7.7±0.97 | 8 (4–8) | 7.67±1.01 | 8 (5–8) | 7.63±0.96 |
HRV, heart rate variability; MacCAT-CR, MacArthur competence assessment tool for clinical research; MRI, magnetic resonance imaging.