Table 3 Between-group comparison for transit times (in seconds)

3 ml Liquid

COPD

1.22(1.26)

135.5

.080

.62(.27)

148.5

.162

Control

.81(.29)

.55(.30)

5 ml Liquid

COPD

1.32(.87)

136.0

.083

.95(.79)

94.0

.004*

Control

1.04(.60)

.51(.24)

10 ml Liquid

COPD

1.25(.67)

82.5

.001*

.93(.58)

134.0

.070

Control

.96(.63)

.66(.39)

Paste

COPD

1.44(1.98)

107.5

.012*

.92(.45)

119.0

.028*

Control

.80(.25)

.62(.24)

Solid

COPD

1.56(2.07)

141.0

.110

.56(.11)

153.0

.201

Control

1.02(1.04)

.52(.12)