Table 3. Objective understanding scores by age and educational level of the patients.
| Variable | W-IC group | M-IC group | p-value | ||
|---|---|---|---|---|---|
| Number | Scores | Number | Scores | ||
| Age (yr) | |||||
| 50s | 2 | 11.5±2.1 | 2 | 11.5±3.5 | 1.000 |
| 11.5 (10.0~13.0) | 11.5 (9.0~14.0) | ||||
| 60s | 11 | 10.2±2.5 | 12 | 10.8±4.1 | 0.618 |
| 10.0 (9.5~1.5) | 11.0 (9.5~12.0) | ||||
| 70s | 7 | 9.0±3.3 | 6 | 9.8±16.6 | 0.426 |
| 9.0 (8.0~10.5) | 10.5 (8.0~12.0) | ||||
| Educational levels | |||||
| Middle school or less | 8 | 9.1±2.4 | 7 | 8.7±2.9 | 0.906 |
| 9.5 (8.5~10.0) | 9.0 (8.0~10.5) | ||||
| High school | 6 | 9.3±7.1 | 7 | 11.7±2.1 | 0.190 |
| 10.5 (6.0~11.0) | 11.0 (10.5~13.0) | ||||
| University or more | 6 | 11.5±5.1 | 6 | 11.5±5.9 | 0.935 |
| 12.0 (10.0~13.0) | 11.5 (1.0~13.0) | ||||
Values are presented as number only, mean±standard deviation, or median (interquartile range).
W-IC: written informed consent, M-IC: multimedia informed consent.