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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