Skip to main content

Table 8 Within group volume comparisons for PTT and TBC

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

Group

Variable

3 ml

5 ml

10 ml

Paste

Solid

p-value

COPD

PTT

1.22(1.26)

1.32(0.87)

1.25(0.67)

1.44(1.98)

1.56(2.07)

.720

TBC

0.62(0.27)

0.95(0.79)

0.93(0.58)

0.92(0.45)

0.56(0.11)

.004*

Control

PTT

0.81(0.29)

1.04(0.60)

0.96(0.63)

0.80(0.25)

1.02(1.04)

.291

TBC

0.55(0.30)

0.51(0.24)

0.66(0.39)

0.62(0.24)

0.52(0.12)

.243

  1. Values expressed by mean and standard deviation; Friedman two-way analysis of variance by ranks.
  2. Legend: COPD – chronic obstructive pulmonary disorder; PTT – pharyngeal transit time; TBC - duration of tongue base contact with the posterior pharyngeal wall; * - significant results.
Back to article page

BMC Pulmonary Medicine

ISSN: 1471-2466

Contact us