Studies assessing only diagnostic accuracy of the RUDAS (objective 1) |
Storey et al.; (10) Australia | English 33% Other 67% | 90 | 79.5 | 22.5 | NA | NA | 0 | 50 (not reported) | 10D 25N | Sensitivity: 89 (76–96) Specificity: 98 (88–97) | NA |
Iype et al.; (21) India | India (Malayalam) | 116 | 65.1 | NA | 5.5 | NA | 0 | 50.0 (Alzheimer 40%, vascular 29%, mixed 5%, frontotemporal 7%, with Lewy bodies 3%, other 16%) | 13.7D 22.7N | Sensitivity: 88 (77–94) Specificity: 76 (64–85) | NA |
Studies assessing diagnostic accuracy of the RUDAS and comparing it with another cognitive assessment tool* (objectives 1 and 2) |
Rowland et al.; (22) Australia | English 34% Asia 31% Europe 25% Middle East 6% Africa 2% S. America 2% | 111 | 79.0 | 28 | 11 | 79 | Excluded (14%) | 56.8 (not reported) | 10D 25N | Sensitivity: 81 (69–90) Specificity: 96 (86–99) | 0.85 (0.79–0.89)† |
Basic et al.; (23) Australia | English 57% Europe 38% Middle East 2% Africa 2% Asia 0.5% S. America 0.5% | 151 | 77.1 | 30.5 | 8.7 | 96 | 22 | 38.4 (Alzheimer 48%, vascular 17%, mixed 19%, other 16%) | 23 | Sensitivity: 88 (76–95) Specificity: 90 (80–96) | 0.78 (0.71–0.84)† |
Gonçalves et al.; (24) Australia | English 90% Other 10% | 204 | 76.9 | 44 | NA | NA | 13 | 49.0 (Alzheimer 65%, vascular 8%, mixed 17%, frontotemporal 3%, with Lewy bodies 3%, other 4%) | 22.3 | Sensitivity: 66 (58–74) Specificity: 90 (78–96) | 0.73 (0.66–0.79)† |
Limpawattana et al.; (25) Thailand | Thailand | 178 | 71.0 | 50 | NA | 96 | Excluded (11%) | 44.5 | 19.5D 26.5N | Sensitivity: 62 (51–71) Specificity: 84 (75–90) | 0.80 (0.74–0.85)‡ |
Nielsen et al.; (26) Denmark | Denmark 75% Middle East 10% Asia 5% Europe 5% America 3% Africa 2% | 137 | 69.4 | 52.5 | 9.8 (0–20) | NA | 10 | 52.6 (Alzheimer 57%, vascular 12.5%, mixed 9.7%, with Lewy bodies 6.9%, frontotemporal 2.8%, other 11.1%) | 22D 27N | Sensitivity: 64 (52–75) Specificity: 83 (71–91) | 0.73 (0.64–0.80)† |
Juwita et al.; (27) Malaysia | Malaysia | 49 | 68.0 | 44.9 | NA | NA | NA | 20.4 (Alzheimer 40%, vascular 60%) | 28.2 | Sensitivity: 80 (49–94) Specificity: 51 (36–66) | 0.63 (0.42–0.77)‡ |
Studies only comparing the RUDAS with another cognitive assessment tool* (objective 2) |
Pang et al.; (19) Australia | English 61% China 17% Europe 22% | 46 | 81.7 | 46 | 8.4 | NA | 0 | 20.0 (not reported) | 20.6 | NA | 0.83 (0.71–0.90)‡ |
Nielsen et al.; (28) Denmark | Turkey | 76 | 61.6 | 43 | 3.9 (0–16) | 67 | 0 | 0 | 23.7 | NA | 0.40 (0.20–0.58)† |
Salari et al.; (20) Iran | Iran | 78 | 78.8 | 17.9 | NA | 7.7 | 0 | 100 | NA | NA | 0.63 (0.47–0.75)† |
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