Short energy intake is associated with muscle mass loss in older patients with type 2 diabetes: A prospective study of the KAMOGAWA-DM cohort
Abstract
BACKGROUND & AIM
Past studies reported that the intake of adequate energy is more important than protein intake; however, the relationship between energy intake and muscle mass loss remains unclear thus far. This study therefore explored the association between energy intake and muscle mass loss in people with type 2 diabetes (T2D).
METHODS
In this prospective cohort study, impedance body composition and a brief-type self-administered diet history questionnaire were used for analyzing body composition and habitual diet intake, respectively. Skeletal muscle mass index (SMI, kg/m2) was defined as appendicular muscle mass (kg) ÷ height-squared (m2). Rate of SMI change (%) was calculated as ([SMI at baseline - SMI at follow-up]/[follow-up duration (years) × baseline SMI (kg/m2)]) × 100, and muscle mass loss was defined as rate of SMI change ≥0.5%. Energy intake was defined as total energy intake (kcal/day) divided by ideal body weight (kg), defined as 22 × patient height-squared (m2).
RESULTS
Among non-older and older participants, 54.8% (n = 51/93) and 58.9% (n = 116/197) experienced muscle mass loss at 16.3 (6.4) and 18.1 (7.1) months' follow-up, respectively. Logistic regression analyses showed that energy intake was associated with incident muscle mass loss after adjusting for age, sex, insulin, sodium glucose cotransporter-2 inhibitor, glucagon-like peptide-1 agonist, steroids, smoking, exercise, alcohol intake, body mass index, SMI, presence of renal failure, and protein…
How strong is the evidence?
Evidence Hub reads this as a cohort study, done in people. Its evidence level is 3 of 5 (Moderate · trial / cohort / secondary analysis). Trials without a large randomized design, cohorts and secondary analyses give moderate evidence. Reported size: 116 participants or records.
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