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Table 4 One-year fall incidences among study participants, stratified by Step 1 (the clinician’s 3 key questions) and Step 2 screening results

From: Predictive validity of the Stopping Elderly Accidents, Deaths & Injuries (STEADI) program fall risk screening algorithms among community-dwelling Thai elderly

Risk category

Fall incidence

Number of falls per person

0

1

2+

P value†

n

# Fall

IR

(95%CI)

P value†

#

(%)

#

(%)

#

(%)

“Not at-risk” from Step 1 screening (n= 258)

Timed-Up-and-Go

    

1.000

      

0.670

  Not at-risk

116

4

3.45

(0.95, 8.59)

 

112

(96.55)

3

(2.59)

1

(0.86)

 

  At-risk

142

5

3.52

(1.15, 8.03)

 

137

(96.48)

2

(1.41)

3

(2.11)

 

30-s-Chair Stand

    

1.000

      

1.000

  Not at-risk

249

9

3.61

(1.67, 6.75)

 

240

(96.39)

5

(2.01)

4

(1.61)

 

  At-risk

9

0

0.00

(0.0, 33.63)

 

9

(100)

0

(0)

0

(0)

 

4-Stage balance test

    

1.000

      

1.000

  Not at-risk

254

9

3.54

(1.63, 6.62)

 

245

(96.46)

5

(1.97)

4

(1.57)

 

  At-risk

4

0

0.00

(0.0, 60.24)

 

4

(100.0)

0

(0)

0

(0)

 

Overall

258

9

3.49

(1.61, 6.52)

 

249

(96.51)

5

(1.94)

4

(1.55)

 

“At-risk” from Step 1 screening (n= 222)

Timed-Up-and-Go

    

0.163

      

0.338

  Not at-risk

60

33

55.00

(41.61, 67.88)

 

27

(45.00)

9

(15.00)

24

(40.00)

 

  At-risk

162

106

65.43

(57.57, 72.72)

 

56

(34.57)

33

(20.37)

73

(45.06)

 

30-s-Chair Stand

    

0.178

      

0.146

  Not at-risk

206

126

61.17

(54.14, 67.86)

 

80

(38.83)

40

(19.42)

86

(41.75)

 

  At-risk

16

13

81.25

(54.35, 95.95)

 

3

(18.75)

2

(12.50)

11

(68.75)

 

4-Stage balance test

    

0.489

      

0.495

  Not at-risk

213

132

61.97

(55.09, 68.52)

 

81

(38.03)

41

(19.25)

91

(42.72)

 

  At-risk

9

7

77.78

(39.99, 97.19)

 

2

(22.22)

1

(11.11)

6

(66.67)

 

Overall

222

139

62.61

(55.89, 69.00)

<0.001

83

(37.39)

42

(18.92)

97

(43.69)

<0.001‡

  1. Abbreviations: CI confidence interval, IR incidence rate (number of persons who had fallen per 100 persons per year), n number of participants, # number of fall persons or events
  2. Fisher’s Exact test, compared between the “Not at-risk” and “At-risk” groups