Table 3. Perioperative outcomes of patients.

Outcomes	IBG (N=67)	RG (N=997)	P value
Operative time (min)	235 (195, 265)	180 (150, 220)	<0.001*
Blood loss (mL)	150 (100, 300)	50 (50, 100)	<0.001*
Transfusion			<0.001*
No	59 (88.06)	991 (99.40)
Yes	8 (11.94)	6 (0.60)
Conversion			<0.001*
No	38 (56.72)	921 (92.38)
Yes	29 (43.28)	76 (7.62)
Duration of chest drainage (days)	4 (3, 6)	4 (3, 6)	0.066
Postoperative hospital stay (days)	8 (7, 10)	7 (6, 9)	0.002*
Postoperative complication (Clavien-Dindo grade)			0.017*
No	47 (70.15)	828 (83.05)
1–2	13 (19.40)	94 (9.43)
3–5	7 (10.45)	75 (7.52)
30-day mortality			1
No	67 (100.00)	996 (99.90)
Yes	0 (0.00)	1 (0.10)

Data are expressed as n (%) or median (interquartile range). *, P<0.05. IBG, intraoperative bleeding group; RG, reference group.