Table 2 Event rates of the primary clinical outcomes (all-cause death, cardiovascular death, MI and ICA without revascularization)
From: Implementation of a national AI technology program on cardiovascular outcomes and the health system
90 days | 1 year | 2 years | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|
FFR-CT unavailable (n = 35,688) | FFR-CT available (n = 54,865) | FFR-CT unavailable (n = 35,667) | FFR-CT available (n = 53,174) | FFR-CT unavailable (n = 35,667) | FFR-CT available (n = 53,174) | Unadjusted HR (95% CI) α | P value | aHR (95% CI) β | P value | |
All-cause mortality | 209 (0.59) | 303 (0.55) | 613 (1.72) | 869 (1.58) | 1,134 (3.17) | 1,612 (2.94) | 0.923 (0.856–0.996) | 0.04 | 1.00 (0.93–1.08) | 0.97 |
Cardiovascular mortality | 118 (0.33) | 167 (0.30) | 291 (0.82) | 399 (0.73) | 465 (1.30) | 617 (1.12) | 0.863 (0.765–0.973) | 0.02 | 0.96 (0.85–1.08) | 0.48 |
MIa | 120 (0.34) | 200 (0.37) | 281 (0.79) | 474 (0.86) | 425 (1.19) | 704 (1.28) | 1.082 (0.959–1.220) | 0.20 | 1.18 (1.05, 1.34) | 0.006 |
Revascularization (PCI and CABG) | 1,196 (3.36) | 2,001 (3.66) | 2,352 (6.59) | 3,743 (6.82) | 2,603 (7.29) | 4,181 (7.62) | 1.048 (0.998–1.100) | 0.06 | 1.06 (1.01, 1.11) | 0.02 |
PCI | 971 (2.73) | 1,675 (3.06) | 1,736 (4.89) | 2,872 (5.26) | 1,912 (5.35) | 3,161 (5.76) | 1.079 (1.019–1.142) | 0.008 | 1.09 (1.03, 1.15) | 0.002 |
CABG | 225 (0.63) | 326 (0.60) | 616 (1.74) | 871 (1.59) | 691 (1.94) | 1,020 (1.86) | 0.959 (0.870–1.056) | 0.39 | 1.01 (0.91, 1.11) | 0.89 |
All ICA performed | 3,241 (9.1) | 4,511 (8.2) | 5,265 (14.8) | 7,444 (13.6) | 5,720 (16.0) | 8,183 (14.9) | 0.924 (0.893–0.956) | <0.001 | 0.93 (0.90, 0.97) | <0.001 |
ICA no revascularization | 2,045 (5.7) | 2,510 (4.6) | 2,913 (8.2) | 3,701 (6.7) | 3,117 (8.7) | 4,002 (7.3) | 0.828 (0.790–0.868) | <0.001 | 0.84 (0.80, 0.88) | <0.001 |
Revascularization ratio | 40.27 | 47.53 | 47.96 | 52.83 | 48.36 | 52.94 | <0.001 | |||