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Table 2 Table 2

From: The Single Item Literacy Screener: Evaluation of a brief instrument to identify limited reading ability

SILS Threshold Sensitivity, % (95% CI) Specificity, % (95% CI) Likelihood Ratio Positive Likelihood Ratio Negative Yield %
>1 75 (68, 81) 59 (56, 63) 1.83 (1.63, 2.07) 0.42 (0.33, 0.56) 46
>2 54 (47, 61) 83 (81, 86) 3.18 (2.67, 4.03) 0.55 (0.47, 0.65) 23
>3 30 (24, 37) 96 (95, 97) 8.02 (5.30, 12.15) 0.73 (0.66, 0.80) 8
  1. Performance of SILS at different thresholds (N = 999)Reference test is STOFHLA, score < 23 is positive for limited reading ability. Results are point estimates and 95% confidence intervals. Yield reflects the percentage of the population at or above the threshold.