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Table. 4.

Characteristics of patients who passed or failed the formal dysphagia screening test

Variable Dysphagia screening result P value

Pass Fail
N (%) 1,688 (83.6%) 330 (16.4%)
Sex
Female/Male 644/1,044 126/204 0.11
Age 64.9±13.5 67.8±13.5 0.73
Stroke type 0.23
Ischemic 1,580 (93.9%) 309 (92.1%)
Hemorrhagic 108 (6.1%) 21 (7.9%)
Pneumonia 21 (0.4%) 4 (5.5%) <0.001***
Hypertension 1,042 (61.8%) 204 (61.5%) 0.92
Diabetes mellitus 483 (29.2%) 94 (25.5%) 0.17
Cardiac disease 492 (27.9%) 96 (29.5%) 0.60
Dyslipidemia 416 (25.0%) 81 (22.7%) 0.38
Mental status
Not alert 29 (1.7%) 117 (35.5%) <0.001*
Mean NIHSS score 3.75±3.39 12.86±5.81 <0.001**
NIHSS group <0.001*
Mild 1,127 (66.8%) 32 (9.7%)
Moderate 546 (32.3%) 183 (55.5%)
Severe 15 (0.9%) 115 (34.8%)
Dysarthria <0.001*
Severe 314 (18.6%) 135 (40.9%)
Undeterminable 29 (1.7%) 136 (41.2%)
mRS at admission <0.001*
3-5 615 (36.4%) 299 (90.6%)
Diet recommendation <0.001*
Non-oral 2 (0.1%) 326 (98.8%)
Modified diet 773 (45.8%) 4 (1.2%)

*P<0.05, statistically significant by Chi-squared test, ** P<0.05, statistically significant by Independent t-test, ***P<0.05, statis-tically significant by Fisher’s exact test

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.