Seems pretty good to me:
"The mean age of the cohort was 75 (±5.6) years. Patients in the AVR alone group had a slightly higher median survival of 10.9 (95% CI 10.5 to 11.8) years than the AVR+CABG group which had a median survival of 9.6 (95% CI 8.7 to 10.1) years"
That means that on average the patients lived to the age of 85.9, nearly 86, which is probably the average age of most people who've not had AVR. The ones who had CABG too lived a year less which takes them to 85.6, so just over 85 1/2 - not bad considering they had atherosclosis.
In more detail from the study:
Median survival times in the AVR alone group across the age groups of ‘65–69’, ‘70–79’ and ‘80 or over’ were 15.1, 10.6 and 6.3 years, respectively. In the AVR+CABG group, median survival times for the same age groups were 12.5, 9.6 and 6.4 years, respectively.
So that means the ones who were younger at the time of surgery lived longer than the ones who were older which makes sense. So the 65 to 70 year olds lived an average of 15.1 years after surgery taking them up to 80 to 85.
