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Table 3 Sensitivity, specificity and % of positive answers of individual items

From: Validation of the REM sleep behavior disorder screening questionnaire in the Czech population

Item Sensitivity Specificity AUC iRBD Healthy volunteers Insomnia OSA RLS/PLMS Non-RBD parasomnia Narcolepsy/Hypersomnia
  % %   % % % % % % %
     n = 79 n = 20 n = 63 n = 52 n = 38 n = 20 n = 29
1 93.8 23.3 0.585 93.7 80 79.4 65.4 63.2 100 89.7
2 86.3 55.2 0.707 86.4 30 52.4 26.9 34.2 70 65.5
3 80 79.8 0.799 79.8 10 20.6 15.4 15.8 50 17.2
4 51 79.8 0.655 60.8 5 9.5 34.6 31.6 35 37.9
5 80 86.5 0.833 79.8 10 6.3 7.7 7.9 65 13.8
6.1 91.3 52.5 0.719 91.1 55 36.5 40.4 34.2 85 69
6.2 93.8 78 0.859 93.7 5 9.5 26.9 21.1 60 27.6
6.3 85 83.9 0.844 84.8 10 9.5 13.5 15.8 60 10.3
6.4 57.5 82.5 0.700 58.2 15 15.8 13.5 7.9 55 17.2
7 74.8 72.2 0.730 73.4 15 25.4 28.9 21.1 60 27.6
8 58.8 42.2 0.505 58.2 65 68.3 51.9 55.3 50 51.7
9 48.8 47.1 0.479 49.3 30 69.8 48.1 55.3 60 34.5
10 42.5 68.6 0.556 41.8 15 38.1 30.8 21.1 35 37.9
  1. Abbreviations: AUC Area under curve, OSA Obstructive sleep apnea, RBD Rapid eye movement sleep behavior disorder, RLS/PLMS Restless legs syndrome and periodic limb movements in sleep