From: Feasibility and predictive performance of the Hendrich Fall Risk Model II in a rehabilitation department: a prospective study
Observed Falls
+
–
Tot.
Predicted Falls
11
70
81
0
66
136
147
95% C.I.
Se (%)
100
N/A
Sp (%)
49
40
57
PPV (%)
14
6
21
NPV (%)