Table 4

Probability of freedom from recurrent angina and cardiac events, and actuarial survival for the overall population study, and groups A and B

Overall (95% CI)Group A (95% CI)Group B (95% CI)p value
Freedom from recurrent angina0.005
 2 year86 (79 to 93)93 (86 to 100)78 (67 to 89)
 3 year71 (60 to 82)86 (69 to 100)56 (41 to 71)
 5 year71 (60 to 81)86 (69 to 100)56 (41 to 71)
 10 year54 (36 to 72)86 (69 to 100)25 (1 to 50)
Freedom from cardiac events 0.0009
 2 year84 (76 to 92)88 (78 to 98)78 (67 to 89)
 3 year67 (59 to 75)81 (70 to 82)52 (35 to 79)
 5 year67 (59 to 75)81 (70 to 82)52 (35 to 79)
 10 year50 (33 to 67)81 (70 to 82)20 (1 to 39)
Actuarial survival0.2
 3 year91 (83 to 99)95 (88 to 100)93 (86 to 100)
 5 year88 (80 to 96)95 (88 to 100)85 (72 to 98)
 10 year80 (69 to 91)88 (75 to 100)71 (52 to 90)
  • Group A, IMA grafts (with or without SV grafts); group B, SV grafts only. CI, confidence interval.