Research Article
Predicting Cognitive Decline in Parkinson’s Disease with Mild Cognitive Impairment: A One-Year Observational Study
Table 3
Binary logistic regression of predictors for cognitive decline in participants with PD-MCI.
| Cognitive Decline | Independent Variables | B | S. E. | Wald | value |
| (Intercept) | 0.315 | 6.074 | 0.003 | 0.959 | Female | 7.534 | 3.600 | 4.379 | 0.036 | CDR-SB | 3.502 | 1.681 | 4.342 | 0.037 | Forwards digit recall | −0.938 | 0.703 | 1.782 | 0.182 | Boston naming test | −0.154 | 0.278 | 0.306 | 0.580 | PSQI > 5 | −4.710 | 3.056 | 2.375 | 0.123 |
| Multivariate classification results | Full model (all variables) | Reduced model (female + CDR-SB) |
| Area under the curve | 0.974 | 0.822 | value | 0.000 | 0.000 | Sensitivity | 88.89% | 40.00% | Specificity | 95.24% | 92.00% | Positive predictive value | 88.89% | 66.67% | Negative predictive value | 95.24% | 79.31% | Positive likelihood ratio | 18.67 | 5 | Negative likelihood ratio | 0.12 | 0.65 | Accuracy | 93.33% | 77.14% |
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Statistically significant values compared between the groups . |