Table 3. Classification result by canonical discriminant function coefficients.
| Original group | Group centroid | Predicted group | Count | Discrimination rate | |
|---|---|---|---|---|---|
| Normal | MNA | ||||
| Normal | 0.105 | 9,237 (99.1) | 86 (0.9) | 9,323 | 97.6% |
| MNA | −2.915 | 146 (43.3) | 191 (56.7) | 337 | |
| Normal | DOC | ||||
| Normal | −0.057 | 9,323 (100.0) | 0 (0.0) | 9,323 | 89.4% |
| DOC | 0.484 | 1,107 (100.0) | 0 (0.0) | 1,107 | |
MNA: medication nonadherence, DOC: drug overuse for cognitive impairment.