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Table 4 Predictive ability of the HIIFRM at subsequent cutoff scores from 6 to 9

From: Feasibility and predictive performance of the Hendrich Fall Risk Model II in a rehabilitation department: a prospective study

   Cutoff = 6 Cutoff = 7 Cutoff = 8 Cutoff = 9
Observed Falls Observed Falls Observed Falls Observed Falls
   + – tot + – tot + – tot + – tot
Predicted Falls + 10 59 69 9 46 55 8 38 46 5 28 33
– 1 77 78 2 90 92 3 98 101 6 108 114
tot 11 136 147 11 136 147 11 136 147 11 136 147
    C.I. 95%   C.I. 95%   C.I. 95%   C.I. 95%
Se (%) 91 74 100 82 59 100 73 46 99 45 16 75
Sp (%) 57 48 65 66 58 74 72 65 80 79 73 86
PPV (%) 14 6 23 16 7 26 17 6 28 15 3 27
NPV (%) 99 96 100 98 95 100 97 94 100 95 91 99
  1. Se Sensitivity, Sp Specificity, PPV, NPV Positive and Negative Predicted Values, C.I. Confidence Interval
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BMC Health Services Research

ISSN: 1472-6963

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