Table 2.

Survival rate of the study population who underwent CABG by year of follow-up.

Follow-Up Time	At Risk	Deaths	Lost	Survival (%)	95% CI
The first 3 days after surgery	2863	22	12	99.2	98.8–99.5
The 4th day to 1 year	2829	86	900	96.2	95.4–96.9
The 2nd year	1843	26	692	94.9	93.9–95.7
The 3rd year	1125	15	589	93.6	92.4–94.6
The 4th year	521	10	434	91.8	90.1–93.2
The 5th year	77	3	74	88.2	83.2–91.8