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Table 3 Results of logistic regression analysis: sensitivity and specificity of the variables for all participants, all obstacle heights

From: Understanding adaptive gait in lower-limb amputees: insights from multivariate analyses

Obstacle height

True positives

False negatives

True negatives

False positives

Sensitivity

Specificity

Significance (p value)

All

65

1

82

3

98.5%

96.5%

<0.0001^

Low

22

0

30

0

100.0%

100.0%

<0.0001^

Medium

22

1

24

2

95.7%

92.3%

<0.0001^

High

21

0

29

0

100.0%

100.0%

<0.0001^

  1. ^Significance determined using Chi squared test applied only to true positives and false negatives.