Table 6 EBCT score distribution and positive predictive values in studies of symptomatic subjects
| Â | Reported classification | Simplified classification | ||||
|---|---|---|---|---|---|---|
Study | EBCT category | Number (%) of patients | Number (%) with CAD | EBCT category | Number (%) of patients | Number (%) with CAD |
Budoff et al. [15] | 0 | 147 (20.7) | 23 (15.6) | Low | 147 (20.7) | 23 (15.6) |
| Â | >0 | 563 (79.3) | 404 (71.8) | Moderate/high | 563 (79.3) | 404 (71.8) |
| Â | Total | 710 | 427 | Â | Â | Â |
Baumgart et al. [16] | 0 | 32 (56.1) | 10 (31.3) | Low | 32 (56.1) | 10 (31.3) |
| Â | >0 | 25 (43.9) | 19 (76.0) | Moderate/high | 25 (43.9) | 19 (76.0) |
| Â | Total | 57 | 29 | Â | Â | Â |
Seese et al. [17] | 0 | 22 (20.6) | 4 (18.2) | Low | 22 (20.6) | 4 (18.2) |
| Â | >0 | 85 (79.4) | 83 (97.7) | Moderate/high | 85 (79.4) | 83 (97.7) |
| Â | Total | 107 | 87 | Â | Â | Â |
Yao et al. [18] | 0 | 26 (40.1) | 11 (42.3) | Low | 26 (40.1) | 11 (42.3) |
| Â | >0 | 38 (59.9) | 34 (89.5) | Moderate/high | 38 (59.9) | 34 (89.5) |
| Â | Total | 64 | 45 | Â | Â | Â |
Bielak et al. [20] | 0 | 40 (18.8) | 1 (2.5) | Low | Â | Â |
|  | 1–9 | 31 (14.6) | 8 (25.8) | Low | 71 (33.3) | 9 (12.7) |
|  | 10–49 | 25 (11.7) | 6 (24.0) | Moderate |  |  |
|  | 50–99 | 13 (6.1) | 7 (53.8) | Moderate |  |  |
|  | 100–199 | 24 (11.3) | 17 (70.8) | Moderate |  |  |
|  | 200–499 | 25 (11.7) | 21 (84.0) | Moderate? | 87 (40.8) | 51 (58.6) |
|  | ≥500 | 55 (25.8) | 52 (94.5) | High | 55 (25.8) | 52 (94.5) |
| Â | Total | 213 | 112 | Â | Â | Â |
Chen et al. [19] | 0–5 | 22 (19.0) | 2 (9.1) | Low | 22 (19.0) | 2 (9.1) |
|  | 6–75 | 17 (14.7) | 3 (17.7) | Moderate |  |  |
|  | 76–500 | 29 (15.0) | 24 (82.8) | Moderate? | 46 (29.7) | 27 (58.7) |
| Â | >500 | 48 (41.4) | 45 (93.8) | High | 48 (41.4) | 45 (93.8) |
| Â | Total | 116 | 74 | Â | Â | Â |
Hosoi et al. [21] | 0 | 36 (12.8) | 7 (19.4) | Low | 74 (26.3) | 29 (39.2) |
|  | 1–10 | 38 (13.5) | 22 (57.9) | Low |  |  |
|  | 11–100 | 59 (20.9) | 39 (66.1) | Moderate |  |  |
|  | 101–399 | 53 (18.8) | 41 (77.4) | Moderate | 112 (39.7) | 80 (71.4) |
| Â | >399 | 96 (34) | 93 (96.9) | High | 96 (34) | 93 (96.9) |
| Â | Total | 282 | 202 | Â | Â | Â |
Budoff et al. [22] | 0 | 386 (20.9) | 39 (10.1) | Low | 386 (20.9) | 39 (10.1) |
|  | 1–20 | 216 (11.7) | 60 (27.8) | Moderate? |  |  |
|  | 21–80 | 230 (12.4) | 108 (47.0) | Moderate |  |  |
|  | 81–100 | 55 (3.0) | 29 (52.7) | Moderate | 501 (27.1) | 197 (39.3) |
| Â | >100 | 964 (52.1) | 747 (77.5) | High | 964 (52.1) | 747 (77.5) |
| Â | Total | 1851 | 983 | Â | Â | Â |
Almeda et al. [23] | 0 | 26 (10.6) | 2 (7.7) | Low | 26 (10.6) | 2 (7.7) |
| Â | <100 | 28 (11.4) | 14 (50.0) | Moderate | Â | Â |
|  | 100–399 | 71 (28.9) | 39 (54.9) | Moderate | 99 (40.3) | 53 (53.5) |
|  | ≥400 | 121 (49.2) | 105 (86.8) | High | 121 (49.2) | 105 (86.8) |
| Â | Total | 246 | 160 | Â | Â | Â |
Knez et al. [24] | 0 | 254 (12.0) | 13 (5.1) | Low | Â | Â |
|  | 1–9 | 427 (20.2) | 75 (17.6) | Low | 681 (32.2) | 88 (12.9) |
|  | 10–99 | 211 (10.0) | 150 (71.1) | Moderate | 211 (10.0) | 150 (71.1) |
| Â | >99 | 1223 (57.8) | 1017 (83.2) | High | 1223 (57.8) | 1017 (83.2) |
| Â | Total | 2115 | 1255 | Â | Â | Â |