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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