Research Article
Effect of Coronary Computed Tomography Angiography Disease Burden on the Incidence of Recurrent Chest Pain
Table 4
Baseline demographic data, outcomes, and cost analysis based on burden of CAD in the LAD.
| | No LAD CAD = 747 | Nonobstructive LAD = 631 | Obstructive LAD = 140 | value |
| Age | 48.6 ± 14.1 | 57.4 ± 12.9 | 58.6 ± 12.2 | <0.001 | Male gender | 448 (60) | 380 (60.2) | 91 (65) | 0.524 | Chest pain reevaluation, (%) | 63 (8.4) | 85 (13.5) | 26 (18.6) | <0.001 | Time to reevaluation, days | 358 ± 368 | 353 ± 308 | 309 ± 347 | 0.804 | Hospitalization at reevaluation, (%) | 23 (3.1) | 46 (7.3) | 16 (11.4) | <0.001 | Hospital LOS, days | 1.2 ± 0.5 | 1.3 ± 0.8 | 1.5 ± 1.1 | 0.436 | Repeat testing, (%) | 23 (3.1) | 49 (7.8) | 18 (12.9) | <0.001 | Tests per patient, mean | 0.03 ± 0.2 | 0.09 ± 0.3 | 0.16 ± 0.5 | <0.001 | Cost per patient, mean | $9 ± 65 | $34 ± 134 | $50 ± 168 | <0.001 | All-cause mortality, (%) | 3 (0.4) | 0 (0) | 1 (0.7) | 0.193 | Stroke, (%) | 3 (0.4) | 7 (1.1) | 3 (2.1) | 0.081 | MI, (%) | 3 (0.4) | 11 (1.7) | 2 (1.4) | 0.047 | Late revascularization, (%) | 0 (0) | 3 (0.5) | 2 (1.4) | 0.006 | Composite MACE, (%) | 9 (1.2) | 17 (2.7) | 8 (5.7) | 0.005 |
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LAD: left anterior descending.
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