High showed no clear difference in all‐cause mortality – deaths compared with low long‐chain omega‐3 fats (high certainty).
High probably leads to lower cardiovascular mortality – cardiovascular deaths compared with low long‐chain omega‐3 fats (moderate certainty).
High showed no clear difference in cardiovascular events compared with low long‐chain omega‐3 fats (high certainty).
High showed no clear difference in coronary heart disease mortality – CHD deaths compared with low long‐chain omega‐3 fats (low certainty).
High may leads to lower coronary heart disease events – CHD events compared with low long‐chain omega‐3 fats (low certainty).
High showed no clear difference in stroke compared with low long‐chain omega‐3 fats (moderate certainty).
High showed no clear difference in arrhythmias compared with low long‐chain omega‐3 fats (low certainty).
It is very uncertain whether high changes harms: bleeding compared with low long‐chain omega‐3 fats (very low certainty).
It is very uncertain whether high changes harms: pulmonary embolus or DVT compared with low long‐chain omega‐3 fats (very low certainty).