One in three Indians studied had sarcopenia, measured many different ways

Design

Systematic review and meta-analysis of prevalence studies

Population

44 community and hospital studies in India

Primary outcome

Prevalence of probable, confirmed and severe sarcopenia

Effect

Confirmed 35.4% (28.8-42.5%); probable 36.3%; severe 9.9%

This systematic review and meta-analysis pooled 44 cross-sectional and cohort studies of sarcopenia prevalence in community and hospital populations in India.

Pooled prevalence was 36.3% for probable sarcopenia (95% CI 26-48%), 35.4% for confirmed sarcopenia (28.8-42.5%) and 9.9% for severe sarcopenia (5.6-16.7%). Only 54.5% of studies used consensus definitions such as the Asian or European working group criteria; the rest used varied operational criteria.

Sarcopenia drives falls, disability and poor recovery from illness, and these figures suggest it is common in Indian patients seen in clinic and hospital. The inconsistency of definitions makes it easy to miss.

Using a single standard, the Asian Working Group for Sarcopenia criteria, would make local audit and trials comparable.

• Screen older adults for sarcopenia with grip strength or a five-times chair-stand test.
• Use Asian Working Group for Sarcopenia cut-offs for Indian patients.
• Recommend resistance exercise and adequate protein for those identified.
• Look for sarcopenia after hospital admission, when muscle loss accelerates.

Why it matters

A condition affecting about a third of those studied is rarely diagnosed because it is rarely measured the same way.

Don't overread it

The studies mixed hospital and community settings with inconsistent definitions, so the pooled figure is not a national population estimate.

The statistics, in plain English

The wide confidence interval for probable sarcopenia, 26% to 48%, reflects both different populations and different definitions. Pooled prevalence from heterogeneous studies describes the literature more than any single population.

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