The effect of successful TA on the disappearance of chest pain after PCI Characteristics No chest pain OR (95% CI) p Yes (n%) No (n%) Successful TA 59 (86, 8) 9 (13, 2) 8, 52 (2, 96 - 26, 24) <0, 001 Unsuccessful TA 10 (43, 5) 13 (56, 5) Table 3.15.