Foods commonly eaten in the United States, 1989-1991 and 1994-1996: are portion sizes changing?
Amounts of foods consumed per eating occasion are widely used for the formation of public policy, counseling, and dietary assessment. Changes in amounts consumed should be monitored to evaluate the need for revisions in policy and diet assessment protocols.
Baseline functional capacity, measured by the 6MWT distance, and LV ejection fraction are independent predictors of mortality in moderate to severe CHF patients, despite CRT. A 6MWT distance walked of <225 m identifies patients at high risk of cardiovascular death at mid-long term.