PCA identified a dominant environmental component explaining 82.0% of variance; however, its association with mortality did not reach statistical significance after adjustment (HR 1.17 per SD, 95% CI 0.98–1.39; p = 0.083).
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Winter Temperature and Long-Term Mortality After Coronary Artery Bypass Grafting: A Multicenter Cohort Study.
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0.0830
0.0830