Table 2.

Pathological types, postoperative pathologic staging and postoperative complications of the two groups of patients

	VATS n = 54	Thoracotomy n = 56	p value
Operation time (min)	192.0 ± 45.0	238.0 ± 63.7	<0.001*
Blood loss (ml)	225.4 ± 165.1	425.4 ± 261.3	<0.001*
No. of lymph node dissection	14.3 ± 8.8	13.0 ± 5.5	0.245
Chest tube duration (days)	8.0 ± 2.8	9.6 ± 4.4	0.025*
Postoperative length of stay (days)	10.8 ± 3.7	12.5 ± 4.8	0.043*
Complications, no. (%)
Pneumonia	2(3.7)	5 (8.9)	0.438
Atrial fibrillation	1 (1.9)	7 (12.5)	0.061
Prolonged air leak >7days	0 (0.0)	4 (7.1)	0.118
Others	3 (5.6)	6 (10.7)	0.490
Tumor size (cm)	3.3 ± 1.4	3.8 ± 1.6	0.071
Pathological types, no. (%)			<0.001*
Adenocarcinoma	44(81.5)	24(42.9)
Squamous cell carcinoma	8(14.8)	31(55.4)
Others	2(3.7)	1(1.8)
Pathologic staging, no. (%)			0.087
Ib	26 (48.1)	21 (37.5)
II	7(13.0)	17 (30.4)
III	21(38.9)	18 (32.1)