eTable 3. Intra- and postoperative course*¹.

	CT group (n = 37)	NCT group (n = 37)	P
Intraoperative course
Type of atypical resection			0.746*2
Linear	32 (86)	31 (84)
Wedge	5 (14)	6 (16)
Stapler
EndoGia 45 Turple (EGIA 45 AMT)	36 (97)	37 (100)	0.314 *3
Other stapler	1 (3)	0	1*4
Number of cartridges	3 [2; 4]	3 [2; 4]	0.839*2
Local adhesiolysis	1 (3)	2 (5)	0.5*4
Intraoperative complications	0	0	1*4
Postoperative course
Number of chest X-rays	4 [4; 4]	3 [3; 3]	< 0.001*2
Skin emphysema	0	2 (5)	0.493*4
Pneumothorax (within 48 h postoperative)			0.493*4
< 2 cm apical	0	1 (3)
> 2 cm apical	0	1 (3)
Air fistula	1 (3)
Other complications
Pneumonia	1 (3)	0	1*4
Heart arrhythmias	0	1 (3)	1*4
Duration of pleural drainage (days)	1.5 [1.5; 1.5]
Re-operation	0	0	1*4
Renewed pleural drainage	0	1 (3)	1*4
Length of PO hospital stay (day)	2.5 [2.5; 2.5]	1.5 [1.5; 1.5]	< 0.001*2

*¹Number (%), median [25th; 75th percentile]; *²Mann-Whitney U test; *³Chi-squared test;

*⁴Fisher’s exact test

CT, chest tube; NCT, non–chest tube