Table 5.
Regression analysis of spatial navigation performance and CSF biomarkers controlled for demographic characteristics.
| CSF biomarkers | Spatial navigation performance (% correct) | |||
|---|---|---|---|---|
| Standardized Regression Coefficient β | Unstandardized Regression Coefficient B | Standard Error of Measurement SE | R Square | |
| Route-repetition task | ||||
| Amyloid-β1–42 (pg/ml) | 0.394** | 0.024** | 0.008 | 0.289 |
| Route-retracing task | ||||
| P-tau181 (pg/ml) | -0.283* | -0.100* | 0.048 | 0.265 |
| Directional-approach task | ||||
| Amyloid-β1–42 (pg/ml) | 0.241 | 0.016 | 0.009 | 0.243 |
| Total tau (pg/ml) | -0.215 | -0.011 | 0.007 | 0.232 |
| P-tau181 (pg/ml) | -0.298* | -0.098* | 0.045 | 0.270 |
*p < 0.05; **p < 0.01. Key: CSF, cerebrospinal fluid; p-tau181, phosphorylated tau181.