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Table 5 The comparison of different outcomes of dysphagia by WST and V-VST in ischemic stroke patients (n = 242)

From: Impact of the systematic use of the volume-viscosity swallow test in patients with acute ischaemic stroke: a retrospective study

Variables Gruops

 

Nasogastric tube

Length of stay, days

Total cost, USD

SAP

 

Positive

(n = 74)

34(45.9)

11.5(8–16.25)

3338.1(2171.2–7982.3)

26(35.1)

WST(n = 147)

Negative

(n = 73)

4(5.5)

11(8.5–14)

2579.7(1859.9–3651.2)

6(8.2)

t/Z /χ2

31.394

0.727

2.627

15.633

P

< 0.001*

0.467

0.009*

< 0.001*

Positive

(n = 37)

13(35.1)

12(8–16)

3586.1(2250.9–7517.9)

9(24.3)

V-VST(n = 95)

Negative

(n = 58)

1(1.7)

10.5(7.75–14.0)

2665.9(1858.9–4360.9)

1(1.7)

t/Z /χ2

20.069

0.984

2.076

 

P

< 0.001*

0.325

0.038*

0.001*a

  1. *The difference was statistically significant
  2. aFisher’s exact test