Research Article
Effect of Coronary Computed Tomography Angiography Disease Burden on the Incidence of Recurrent Chest Pain
Table 5
Baseline demographic data, outcomes, and cost analysis based on burden of CAD in the LCX.
| | No LCX CAD = 1029 | Nonobstructive LCX = 441 | Obstructive LCX = 48 | value |
| Age | 51.3 ± 14.2 | 56.5 ± 13.2 | 62.9 ± 13.6 | <0.001 | Male gender | 610 (59.3) | 270 (61.2) | 39 (81.3) | 0.009 | Chest pain reevaluation, (%) | 104 (10.1) | 62 (14.1) | 8 (16.7) | 0.048 | Time to reevaluation, days | 358 ± 345 | 322 ± 311 | 441 ± 400 | 0.586 | Hospitalization at reevaluation, (%) | 47 (4.6) | 34 (7.7) | 4 (8.3) | 0.039 | Hospital LOS, days | 1.2 ± 0.7 | 1.4 ± 0.9 | 1.5 ± 0.6 | 0.382 | Repeat testing, (%) | 49 (4.8) | 34 (7.7) | 7 (14.6) | 0.003 | Tests per patient, mean | 0.05 ± 0.3 | 0.1 ± 0.4 | 0.2 ± 0.5 | 0.001 | Cost per patient, mean | $15 ± 85 | $35 ± 144 | $75 ± 201 | <0.001 | All-cause mortality, (%) | 3 (0.3) | 0 (0) | 1 (2.1) | 0.027 | Stroke, (%) | 4 (0.4) | 7 (1.6) | 2 (4.2) | 0.003 | MI, (%) | 4 (0.4) | 11 (2.5) | 1 (2.1) | 0.001 | Late revascularization, (%) | 1 (0.1) | 3 (0.7) | 1 (2.1) | 0.020 | Composite MACE, (%) | 12 (1.2) | 17 (3.9) | 5 (10.4) | <0.001 |
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LCX: left circumflex coronary artery.
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