Table 2.
Age-specific prevalence of lower Mini-Mental State Examination (MMSE) scores (<24) in patients with hemodialysis and the general population in Japan
| Age group | Patients on hemodialysis | Controls | ||
|---|---|---|---|---|
| % ± SD | n/N | % ± SD | n/N | |
| 30-39 years old | 12.5 ± 11.7 | 1/8 | 1.3 ± 1.3 | 1/75 |
| 40-49 years old | 0.0 ± 0.0 | 0/14 | 0.7 ± 0.7 | 1/144 |
| 50-59 years old | 8.7 ± 5.9 | 2/23 | 2.5 ± 1.0 | 6/239 |
| 60-69 years old | 16.3 ± 5.3 | 8/49 | 8.7 ± 1.9 | 20/229 |
| 70-79 years old | 29.3 ± 7.1 | 12/41 | 13.6 ± 2.8 | 21/154 |
| 80+ years old | 31.6 ± 10.7 | 6/19 | 18.2 ± 11.6 | 2/11 |