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Table 5 Spearman correlation coefficient for 3 ml liquid

From: Swallowing transit times and valleculae residue in stable chronic obstructive pulmonary disease

  

COPD

Control

  

VEF1

BMI

PTT

VEF1

BMI

PTT

PTT

r

.201

.760

 

.045

.022

 

p-value

.395

.751

 

.850

.928

 

TBC

r

.359

.185

.311

.080

.365

.582

p-value

.120

.429

.183

.736

.113

.007*

  1. Legend: COPD – chronic obstructive pulmonary disorder; FEV1 - forced expiratory volume during the first second; BMI – body mass index; PTT – pharyngeal transit time; TBC - duration of tongue base contact with the posterior pharyngeal wall; * - significant results.