Table 3.

Duration of movements and transit, in seconds, in patients with COPD and controls after swallowing of 5 mL and 10 mL of paste barium

Paste	5 mL			10 mL
	Controls	COPD	P-value	Controls	COPD	P-value
Oral transit	0.38 (0.24)	0.50 (0.34)	0.216	0.39 (0.25)	0.36 (0.24)	0.301
Maximal glossopalatal opening	0.35 (0.29)	0.31 (0.23)	0.553	0.27 (0.14)	0.38 (0.27)	0.140
Laryngeal vestibular closure	0.36 (0.06)	0.37 (0.76)	0.766	0.34 (0.06)	0.37 (0.08)	0.151
Hyoid movement	0.51 (0.18)	0.57 (0.17)	0.144	0.46 (0.14)	0.50 (0.11)	0.165
Laryngeal elevation	0.29 (0.07)	0.29 (0.06)	0.897	0.29 (0.10)	0.29 (0.09)	0.836
Pharyngeal transit	0.26 (0.08)	0.29 (0.05)	0.073	0.25 (0.09)	0.27 (0.06)	0.271
Pharyngeal clearance	0.40 (0.14)	0.50 (0.27)	0.060	0.42 (0.12)	0.45 (0.17)	0.534
UES opening	0.22 (0.07)	0.22 (0.04)	0.897	0.24 (0.10)	0.30 (0.05)	0.877
Oropharyngeal transit	0.61 (0.21)	0.80 (0.36)	0.047	0.61 (0.19)	0.63 (0.24)	0.805

Note: Data expressed as mean (standard deviation). Bolded data are statistically significant (P<0.05).

Abbreviations: COPD, chronic obstructive pulmonary disease; UES, upper esophageal sphincter.