Research Article
Effect of Coronary Computed Tomography Angiography Disease Burden on the Incidence of Recurrent Chest Pain
Table 3
Baseline demographic data, outcomes, and cost analysis based on burden of CAD in the LM.
| | No LM CAD = 1289 | Nonobstructive LM = 222 | Obstructive LM = 7 | value |
| Age | 51.8 ± 13.9 | 60.9 ± 12.6 | 72.9 ± 17.7 | <0.001 | Male gender | 774 (60) | 139 (62.6) | 6 (85.7) | 0.303 | Chest pain reevaluation, (%) | 143 (11.1) | 30 (13.5) | 1 (14.3) | 0.563 | Time to reevaluation, days | 353 ± 342 | 335 ± 304 | 100 ± 0 | 0.732 | Hospitalization at reevaluation, (%) | 64 (5.0) | 20 (9.0) | 1 (14.3) | 0.032 | Hospital LOS, days | 1.2 ± 0.5 | 1.8 ± 1.3 | 1.0 ± 0 | 0.005 | Repeat testing, (%) | 70 (5.4) | 19 (8.6) | 1 (14.3) | 0.122 | Tests per patient, mean | 0.06 ± 0.3 | 0.1 ± 0.4 | 0.1 ± 0.4 | 0.131 | Cost per patient, mean | $18 ± 100 | $37 ± 139 | $83 ± 220 | 0.019 | All-cause mortality, (%) | 3 (0.2) | 0 (0) | 1 (14.3) | <0.001 | Stroke, (%) | 8 (0.6) | 5 (2.3) | 0 (0) | 0.05 | MI, (%) | 9 (0.7) | 7 (3.2) | 0 (0) | 0.004 | Late revascularization, (%) | 2 (0.2) | 3 (1.4) | 0 (0) | 0.016 | Composite MACE, (%) | 20 (1.6) | 13 (5.9) | 1 (14.3) | <0.001 |
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LM: left main coronary artery.
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