Table 3.
Multivariate regression analysis* relating subclinical hyperthyroidism to the risk of having low Mini-Mental State Examination score (< 24)
| Characteristic | H.R. | 95% C.I. | P |
|---|---|---|---|
| Subclinical Hyperthyroidism | 2.26 | [1.32-3.91] | 0.003 |
| Age | 1.12 | [1.09-1.14] | <.0001 |
| Sex | 1.62 | [1.15-2.30] | 0.006 |
| Physical activity | 0.64 | [0.45-0.91] | 0.01 |
| Stroke | 1.38 | [0.99-1.90] | 0.05 |
| Parkinson’s disease | 2.11 | [1.06-4.19] | 0.03 |
| Diabetes | 1.06 | [0.99-1.13] | 0.06 |
Also adjusted for smoking, hypertension, and chronic heart failure (using backward selection analysis)