Table 1:

Demographic and clinical features of the study group

Variables	T-tube group (n = 51)	Control group (n = 58)	P-Value
Age (years), median (IQR)	66 (61–68)	67 (61–71)	0.15
Gender, n (%)			0.66
Male	26 (51.0%)	32 (55.2%)
Female	25 (49.0%)	26 (44.8%)
Presence of emphysema, n (%)			0.51
Yes	18 (35.3%)	24 (41.4%)
No	33 (64.7%)	34 (58.6%)
Type of surgery, n (%)			0.63
Lobectomy	27 (52.9%)	24 (41.4%)
Wedge resection	14 (27.5%)	18 (31.0%)
Pleural biopsy	5 (9.8%)	9 (15.5%)
Mediastinal biopsy	5 (9.8%)	7 (12.1%)
Side of surgery, n (%)			0.38
Right	28 (54.9%)	27 (46.6%)
Left	23 (45.1%)	31 (53.4%)
Right side surgery, n (%)
Lobectomy	17 (63.0%)	11 (45.8%)	0.22
Wedge resection	6 (42.9%)	7 (38.9%)	0.82
Pleural biopsy	2 (40.0%)	5 (55.6%)	0.58
Mediastinal biopsy	3 (60.0%)	4 (57.1%)	0.92

IQR: interquartile range.