Table 3.
Relationship Between Physical Capacity and Cognitive Function at Baseline and the 2-Year Follow-Up a
| Mini-Mental State Examination | Clock drawing | Verbal fluency | Trail making test A | |||||
|---|---|---|---|---|---|---|---|---|
| r s | P Value | r s | P Value | r s | P Value | r s | P Value | |
| Baseline | ||||||||
| 10-m comfortable walk test | −.072 | .732 | .007 | .973 | −.002 | .993 | .153 | .454 |
| 6-minute walk test | −.068 | .747 | −.130 | .949 | .156 | .457 | .252 | .747 |
| TUG single task | .247 | .234 | −.045 | .829 | .217 | .297 | .243 | .243 |
| TUG dual task (names) | −.061 | .773 | −.136 | .517 | −.111 | .599 | −.125 | .550 |
| TUG dual task (animals) | −.033 | .876 | .066 | .755 | −.210 | .313 | −.188 | .367 |
| TUG difference (names) | −.212 | .309 | −.250 | .227 | −.334 | .103 | .002 | .994 |
| TUG difference (animals) | −.082 | .698 | .048 | .818 | −.249 | .231 | −.103 | .623 |
| 2-Year follow-up | ||||||||
| 10-m comfortable walk test | −.034 | .882 | .242 | .350 | −.089 | .708 | .040 | .878 |
| Six-minute walk test | .130 | .576 | .315 | .218 | .044 | .853 | −.303 | .237 |
| Timed up-and-go single task | −.185 | .436 | −.416 | .094 | −.174 | .476 | .188 | .469 |
| TUG dual task (names) | −.132 | .601 | −.200 | .474 | .013 | .960 | .069 | .799 |
| TUG dual task (animals) | −.567 | .014 | −.579 | .019 | −.145 | .567 | .301 | .257 |
| TUG difference (names) | −.075 | .774 | .001 | .997 | .139 | .594 | −.128 | .649 |
| TUG difference (animals) | −.534 | .027 | −.474 | .074 | .034 | .898 | .205 | .464 |
Abbreviation: TUG, timed up-and go test.
a Correlation coefficients (r s) and the corresponding P values are given. Spearman's rank correlation coefficient was used. Significant values in boldface.