Table 1

Sensitivity, specificity and likelihood ratios (with 95% CIs) of temporal orientation tests for the diagnosis of cognitive impairment

TestSensitivitySpecificity+LR‒ LR
Year (any error)0.86 (0.78 to 0.91)0.94 (0.92 to 0.96)14.25 (9.15 to 21.33)0.15 (0.09 to 0.25)
Month (any error)0.69 (0.60 to 0.78)0.86 (0.83 to 0.89)4.95 (3.50 to 6.82)0.36 (0.25 to 0.49)
Date (any error)0.95 (0.88 to 0.98)0.38 (0.36 to 0.39)1.55 (1.36 to 1.27)0.13 (0.04 to 0.35)
Day of week (any error)0.58 (0.48 to 0.68)0.82 (0.79 to 0.85)3.23 (2.26 to 4.48)0.51 (0.38 to 0.66)
Time of day (≥1 h error)0.77 (0.67 to 0.86)0.70 (0.66 to 0.72)2.54 (2.00 to 3.05)0.33 0.20 to 0.50)
  • LR, likelihood ratio.