OBJECTIVES:

To investigate the prevalence of sarcopenia according to five cut-off points for muscle strength and the association with undernutrition in Community dwelling older adults.

METHODOLOGY:

Cross-sectional study with 321 elderly subjects from community centers in Cuiabá-MT. The main variable was the prevalence of sarcopenia and association with undernutrition. Sarcopenia was diagnosed by low muscle strength (grip strength - GS; kg) according to five cut-off points and low calf circumference (CC; cm). Nutritional status was assessed by mini nutritional assessment-short form (MNA-SF®).

RESULTS:

The median age was 69 (64-74) years, and 24.7% were undernourished. The presence of sarcopenia ranged from 1.6 to 7.6%. This prevalence was lower using EWGSOP2 criteria compared to EWGSOP (p=0.005) and ESCEO and SDOC criteria (p<0.001). The older undernourished adults were almost 3.5 times more likely to have sarcopenia (OR=3.49; p=0.003) when ESCEO criteria was used and almost 2.5 times (OR=2.43; p=0.037) times using SDOC criteria.

CONCLUSIONS:

The prevalence of sarcopenia ranged from 1.6 to 7.6%. The older undernourished adults were almost 3.5 (ESCEO) and 2.5 (SDOC) times more likely to have sarcopenia.

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