Excluding some exceptions for the AS/AVR/r group (in which the small sample size ( N = 909) precluded observing a clear trend), all studied CVRFs demonstrated an overall rising trend from 2002 to 2021 in all three groups.
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Heart surgery over two decades: what we have learned about results and changing risks.
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The sentences
The fact that mean age had an increasing trend from 2002 to 2021 might be good news for Iran's healthcare system, as in recent years, people have stayed healthier for a longer period of time.