Table 4– Quantitative evolution of the air leak from day (d) -1 until day +4^#

Patient	Air leak d-1 mL·min⁻¹	Air leak d+0 mL·min⁻¹	Air leak d+1 mL·min⁻¹	Air leak d+4 mL·min⁻¹
1	2000	100	130	0
2	1200	20	100	0
3	500	20	0	0
5	360	0	0	0
6	180	30	90	30^¶
7	180	10	80	50^¶
8	720	30	200	50
9	2500	0	0	0
10	480	0	0	0

^#: d+0=day of intrabronchial valve placement. ^¶: patients 6 and 7 were discharged with a Heimlich valve on day +3.