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Chi square test was used to compare categorical variables. The proportion of patients with malnutrition (NRS-2002≥3) in SAI is higher than that in non-SAI (P < 0.001). Patients with NRS-2002 score ≥3 were more likely to develop SAI (P < 0.001). SAI, Stroke-associated infection;NRS-2002, Nutritional Risk Screening 2002.
