Conversely, while the association was no longer statistically significant in model 2, a higher serum potassium concentration showed an increasing trend with all-cause mortality.
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Associations between serum biomarkers of fruit and vegetable intake and all-cause, cancer and CVD mortality among US adults.
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The sentences
Higher serum potassium concentrations showed a trend towards an association with a greater risk of all-cause mortality.
The associations between serum concentrations of β -carotene and β -cryptoxanthin and CVD mortality also remained marginally significant.