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Table 6 Hazard ratios of late mortality according to age among BIMA patients

From: Lessons learned from the use of 1,977 in-situ bilateral internal mammary arteries: a retrospective study

Age (years) Hazard Ratio (95% CI) P-value
50 0.64 (0.51-0.82) 0.0003
55 0.70 (0.58-0.84) 0.0001
60 0.76 (0.65-0.89) 0.0007
65 0.82 (0.68-0.99) 0.0412
66 0.83 (0.69-1.01) 0.0759
67 0.85 (0.6-1.04) 0.1272
68 0.86 (0.6-1.07) 0.1953
69 0.88 (0.70-1.10) 0.2779
70 0.89 (0.70-1.14) 0.3711
75 0.97 (0.70-1.56) 0.8550
80 1.05 (0.70-1.56) 0.7978
  1. For clarity, age categories are shown at 5-year intervals except between the ages of 65 and 70 where they are shown per annum, in order to determine the age between 65 and 70 years at which the benefit of BIMA is no longer statistically significant. This occurs at 66 years of age.