Table 1.
Demographic variables of AD-Aa and AD-NAb groups
| AD-A group (60 cases) | AD-NA group (64 cases) | P value | |
|---|---|---|---|
| Gender | 0.580 | ||
| Male [case (%)] | 21(35.0%) | 26(40.6%) | |
| Female [case (%)] | 39(65.0%) | 38(59.4%) | |
| Age [year, mean ± SD] | 67.6 ± 9.9 | 68.4 ± 10.6 | 0.663 |
| Disease duration [year, median (quartile)] | 3.0(2.0 ~ 5.0) | 2.0(1.6 ~ 4.0) | 0.225 |
| Educational level | 0.238 | ||
| Illiteracy [case (%)] | 4(6.7%) | 2(3.1%) | |
| Primary school [case (%)] | 12(20.0%) | 8(12.5%) | |
| Middle school [case (%)] | 13(21.7%) | 17(26.6%) | |
| High school [case (%)] | 20(33.3%) | 16(25.0%) | |
| College and above [case (%)] | 11(18.3%) | 21(32.8%) | |
| Smoking condition | 0.364 | ||
| Smoking [case (%)] | 14(23.3%) | 10(15.6%) | |
| Non-smoking [case (%)] | 46(76.7%) | 54(84.4%) | |
*P < 0.002 after Bonferroni correction.aAD-A Alzheimer disease with apathy, bAD-NA Alzheimer disease with no apathy