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Table. 2.

Subgroup analysis of aspiration pneumonia incidence according to NIHSS group

NIHSS group No formal screening group (n=884) Formal screening group (n=2018) P value
Mild (n=1679) 5 (0.3%) 10 (0.2%) 0.11
Moderate (n=1033) 17 (5.4%) 16 (1.5%) 0.005*
Severe (n=190) 8 (4.2%) 3 (2.6%) 0.02**

*P<0.05, statistically significant by Chi-squared test, **P<0.05, statistically significant by Fisher’s exact test

CXR: Chest X-ray, NIHSS: National Institutes of Health Stroke Scale

J Korean Dysphagia Soc 2021;11:43~51 https://doi.org/10.34160/jkds.2021.11.1.006
© J. Korean Dysphagia Soc.