Validating respiratory sarcopenia diagnostic criteria by mortality based on a position paper by four professional organizations: Insights from the Otassha study

The Japanese Society for Respiratory Care and Rehabilitation, Japanese Association on Sarcopenia and Frailty, Japanese Society of Respiratory Physical Therapy, and Japanese Association of Rehabilitation Nutrition proposed the definition and diagnosis of respiratory sarcopenia using low respiratory muscle strength and appendicular skeletal muscle mass (ASM; ASM/height