The effectiveness of successful TA on major cardiovascular events at 30 days after intervention Characteristics MACE 30 days OR (95% CI) p No (n%) Yes (n%) Successful TA 65 (95, 6) 3 (4, 4) 0, 32 (0, 06 - 1, 86) 0, 186 Unsuccessful TA 21 (87, 5) 3 (12, 5) 20 Table 3.19.