Table 5. Comparison of AUCs (normal vs. dementia).
| Instruments | Participant | Informant | ||
|---|---|---|---|---|
| Difference (95% CI) | P value | Difference (95% CI) | P value | |
| MMSE-DS vs. KDSQ-C | −0.205 (−0.256, −0.153) | < 0.001 | −0.029 (−0.060, 0.002) | 0.066 |
| MMSE-DS vs. AD8 | −0.148 (−0.193, −0.103) | < 0.001 | −0.023 (−0.054, 0.008) | 0.142 |
| MMSE-DS vs. SMCQ | −0.226 (−0.279, −0.172) | < 0.001 | −0.030 (−0.063, 0.004) | 0.082 |
| KDSQ-C vs. AD8 | 0.057 (0.019, 0.094) | 0.003 | 0.006 (−0.017, 0.029) | 0.628 |
| KDSQ-C vs. SMCQ | −0.021 (−0.056, 0.014) | 0.240 | −0.001 (−0.023, 0.022) | 0.954 |
| AD8 vs. SMCQ | −0.078 (−0.115, −0.040) | < 0.001 | −0.006 (−0.030, 0.018) | 0.603 |
By DeLong test.
AUC = area under the curve, CI= confidence interval, MMSE-DS = Mini-Mental State Examination-Dementia Screening, KDSQ-C = Korean Dementia Screening Questionnaire-Cognition, AD8 = Alzheimer Disease 8, SMCQ = Subjective Memory Complaints Questionnaire.