Table 2.
Statistical significance of standard questionnaire and physical performance battery in discriminating functionally impaired from functionally intact participants.
| Survey instrument | Intacta | Impaireda | Pb | ||
| Questionnaire | |||||
| LLFDIc Overall Function | 64.04 | 46.91 | <.001 | ||
| LLFDI basic lower extremity function | 76.02 | 54.23 | <.001 | ||
| LLFDI advance lower extremity function | 56.15 | 22.41 | <.001 | ||
| LLFDI upper extremity function | 79.57 | 68.95 | .257 | ||
| SAFFEd activity level | 9.32 | 6.38 | <.001 | ||
| SAFFE fear of falling | 0.24 | 0.39 | .052 | ||
| SAFFE activity restriction | 2.45 | 6.59 | <.001 | ||
| PROMISe-PFf | 48.94 | 34.43 | <.001 | ||
| PROMIS-PHg | 51.99 | 40.52 | <.001 | ||
| PROMIS-MHh | 63.65 | 55.79 | .042 | ||
| EuroQol | 0.764 | 0.64 | <.001 | ||
| Performance batteryi | |||||
| Timed Get Up and Go (10 ft) | 10.63 | 21.79 | .003 | ||
| 4 Meter Walk | 4.30 | 10.66 | .004 | ||
| Figure-of-8 Walk | 9.19 | 19.28 | .008 | ||
aMean performance.
bP values are 2-sided t test, unequal variance, with Bonferroni correction.
cLLFDI: Late Life Function and Disability Instrument.
dSAFFE: Survey of Activities and Fear of Falling in the Elderly.
ePROMIS: Patient Reported Outcomes Measurement Information System.
fPROMIS-PF: PROMIS Physical Function.
gPROMIS-PH: PROMIS Global Physical Health.
hPROMIS-MH: PROMIS Global Mental Health.
iValues for all performance battery measures are reported in seconds.