Imaging finding | Number of studies | Sample size | Sensitivity (95% CI) | tau2 for sensitivity | Specificity (95% CI) | tau2 for specificity | Positive likelihood ratio (95% CI) | Negative likelihood ratio (95% CI) |
---|---|---|---|---|---|---|---|---|
CT | ||||||||
Global assessment | 2 | 107 | 62 (50,72) | 0.01 | 94 (1,100) | 16.45 | 9.61 (0.01, 6410) | 0.41 (0.24, 0.69) |
White matter hyperintensities | 11 | 196 | 71 (53,85) | 1.53 | 55 (44,66) | 0.48 | 1.58 (1.26, 1.98) | 0.52 (0.32, 0.85) |
Periventricular hyperintensities | 3 | 354 | 49 (39,59) | 0 | 69 (33,91) | 1.48 | 1.57 (0.55, 4.44) | 0.74 (0.45, 1.24) |
Lacunar infarcts | 3 | 667 | 42 (9,85) | 2.93 | 86 (43,98) | 2.74 | 3.22 (0.34, 30.9) | 0.66 (0.27, 1.66) |
Non-lacunar infarcts | 2 | 1900 | 45 (34,56) | 0 | 80 (68,88) | 0.03 | 2.23 (1.34, 3.70) | 0.69 (0.55, 0.87) |
General infarcts | 4 | 381 | 52 (22,80) | 1.66 | 96 (93,98) | 0 | 12.22 (5.59, 26.7) | 0.50 (0.25, 1.01) |
Basal ganglia hyperintensities | 1 | 163 | 86 (78,92) | - | 38 (28,49) | - | 1.32 (1.09, 1.60) | 0.38 (0.20, 0.73) |
MRI | ||||||||
Global assessment | 4 | 170 | 69 (36,90) | 1.57 | 86 (45,98) | 3.14 | 4.86 (1.10, 21.5) | 0.36 (0.16, 0.80) |
White matter hyperintensities | 6 | 334 | 95 (87,98) | 0.75 | 26 (12,50) | 1.41 | 1.29 (1.01, 1.66) | 0.19 (0.07, 0.48) |
Periventricular hyperintensities | 7 | 315 | 92 (70,98) | 3.61 | 24 (6,60) | 4.45 | 1.19 (0.88, 1.63) | 0.33 (0.10, 1.10) |
Lacunar infarcts | 4 | 599 | 75 (40,93) | 1.82 | 83 (58,95) | 1.45 | 4.49 (1.87, 10.8) | 0.30 (0.11, 0.82) |
Non-lacunar infarcts | 4 | 514 | 53 (41,65) | 0.13 | 91 (85,95) | 0.05 | 6.11 (3.13, 11.9) | 0.52 (0.39, 0.68) |
General infarcts | 3 | 955 | 53 (36,70) | 0.21 | 96 (94,97) | 0 | 13.08 (7.64, 22.4) | 0.49 (0.35, 0.71) |
Basal ganglia hyperintensities | 4 | 396 | 77 (66,85) | 0.10 | 78 (67,86) | 0.17 | 3.46 (2.14, 5.60) | 0.29 (0.18, 0.48) |