Sarcopenia: a predictor of mortality and the need for early diagnosis and intervention.
Level 5 - mechanism / opinion, no new human data
Narrative review without systematic search or meta-analysis
PubMed 25365952 · doi:10.1007/s40520-014-0281-4
What was done
The authors conducted a narrative review examining age-related muscle loss (sarcopenia, defined using the European Working Group on Sarcopenia in Older People criteria) and its role as a risk factor for disability and mortality in older adults.
What was found
The abstract reports that muscle loss is estimated at approximately 8% per decade until age 70 years, after which the loss increases to between 13% and 24% per decade. Low muscle mass and poor muscle strength are identified as risk factors for disability and increased mortality, though specific numerical risk effect sizes are not reported in the abstract.
Why it matters
It highlights the steep acceleration of muscle loss occurring after age 70 and underscores sarcopenia as a major clinical predictor of mortality requiring early identification and management.
Limits
This is a narrative review that provides broad estimates rather than a systematic synthesis or primary human data. No precise effect sizes, confidence intervals, or sample sizes are provided in the abstract.
Cited by
- supports After peak muscle mass in early adulthood, muscle mass declines on average by approximately 8% per decade.