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Table. 1.

Patient characteristics and incidence of pneumonia of patients who did or did not undergo formal dysphagia screening

Variable No formal screening group (n=884) Formal screening group (n=2018) P value
Sex
Female/Male 340/544 770/1248 0.88
Age 64.7±12.9 65.2±13.6 0.24
Stroke type 0.004*
Ischemic 799 (90.4%) 1889 (93.6%)
Hemorrhagic 85 (9.6%) 129 (6.4%)
Pneumonia 30 (3.4%) 26 (1.3%) <0.001*
Hypertension 567 (64.1%) 1246 (61.8%) 0.23
Diabetes mellitus 255 (28.8%) 577 (28.6%) 0.89
Cardiac disease 273 (30.9%) 588 (28.2%) 0.35
Dyslipidemia 221 (25.0%) 497 (24.7%) 0.84
Mental status 0.74
Alert 817 (92.4%) 1872 (92.8%)
Non alert 67 (7.6%) 146 (7.2%)
Dysarthria 0.73
None or mild 607 (68.7%) 1404 (69.6%)
Severe 197 (22.3%) 449 (22.2%)
Undeterminable 80 (9.0%) 165 (8.2%)
Mean NIHSS score 5.08±5.4 5.24±5.1 0.20
NIHSS group 0.66
Mild 520 (58.8%) 1159 (57.4%)
Moderate 304 (34.4%) 730 (36.1%)
Severe 60 (6.8%) 130 (6.4%)
mRS at admission 0.51
0-2 472 (53.4%) 1104 (54.7%)
3-5 412 (46.6%) 914 (45.3%)
Diet recommendation 0.01*
Non-oral 156 (17.6%) 326 (16.2%)
Modified diet 255 (28.9%) 777 (38.5%)
Regular diet 473 (53.5%) 915 (45.3%)

**P<0.05, statistically significant by Chi-squared test

NIHSS: National Institutes of Health Stroke Scale, mRS: modified Rankin Scale

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