A method for addressing right upper lobe obstruction with right-sided double-lumen endobronchial tubes during surgery: a randomized controlled trial

Table 3 Quality of collapse

	Group R (n = 30)	Group L (n = 30)	P value
Quality of collapse after 10 min, n			0.430^a
Excellent	10	14
Fair	19	16
Poor	1	0
Quality of collapse overall, n			1.000^a
Excellent	25	26
Fair	5	4
Poor	0	0

^aNumbers for the categorical variables; significance tested by Fisher’s exact test

ISSN: 1471-2253