MIS, malnutrition inflammation; ESAS, Edmonton Symptom Assessment System; BMI, body mass index; CRP, C-reactive protein; a balance SPPB domain; b gait velocity SPPB domain; c chair stand capacity SPPB domain; d total SPPB score; P sarcopenic versus non-sarcopenic difference; *P < 0.05, **P < 0.01. The gene discussed is CRP; the disease is nutritional deficiency disease.