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Table 7 Optimal cut-off points for prediction of adequate health literacy levels on the TOFHLA

From: Development and validation of a measure of health literacy in the UK: the newest vital sign

Cut point

Sensitivity (true positive)

Specificity (true negative)

6

100

0

≥ 5

100

22

≥ 4

100

40

≥ 3

91

54

≥ 2

82

70

≥ 1

48

87

0

24

95