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Table 4 Performance of the 4AT in delirium detection compared to the mCAM-ED

From: Delirium detection in hospitalized adults: the performance of the 4 'A's Test and the modified Confusion Assessment Method for the Emergency Department. A comparison study

  Total sample n = 116
  Point estimates 95% CI
Sensitivity 1.00 (0.63, 1.00)
Specificity 0.93 (0.86, 0.97)
Positive predictive value 0.50 (0.25, 0.75)
Negative predictive value 1.00 (0.96, 1.00)
Positive likelihood ratio 13.50 (6.93, 26.30)
Negative likelihood ratio 0.00 (0.00, NaN)
  1. CI   confidence interval, 4AT   the 4 'A's Test, mCAM-ED   the modified Confusion Assessment Method for the Emergency Department; NaN   not a number