Table 4: Accuracy of the fracture prediction.

Prevalence of hip fractureSensitivity
% ( )
Specificity
% ( )
Positive predictive value
% ( )
Negative predictive value
% ( )

Impaired vision
5 (9/165)67 (6/9)67 (104/156)10 (6/58)97 (104/107)
Previous fractures
5 (9/165)22 (2/9)96 (150/156)25 (2/8)96 (150/157)
TUG ≥ 14 s
4 (5/115)80 (4/5)66 (73/110)10 (4/41)99 (73/74)
SWWT
6 (7/125)29 (2/7)94 (111/118)22 (2/9)96 (111/116)

TUG: Timed Up & Go; SWWT: Stops Walking When Talking.