Table 4.

Patient pathology.

Variables	SP-RATS	TP-RATS	VATS	p-Value
	(n = 11)	(n = 24)	(n = 29)	SP-RATS vs. TP-RATS	SP-RATS vs. VATS	MP-RATS vs. VATS
Histological type				0.489	1.00	0.409
Adenoca	6 (55%)	17 (71%)	16 (55%)
Sqcc	4 (36%)	6 (25%)	9 (31%)
Other	1 (9%)	1 (4%)	4 (14%)
Number of lymph nodes harvested	24 [19–26]	18 [14.25–24]	20 [10.5–26]	0.194	0.154	0.759
TNM staging				0.596	0.829	0.089
ypT0N0	1 (9%)	0	0
ypT1cN0	0	1 (4%)	0
ypT2aN0	0	0	1 (3%)
ypT2aN1	0	0	1 (3%)
ypT4N0	0	0	1 (3%)
T2bN0	0	2 (8%)	3 (10%)
T2bN1	0	0	1 (3%)
T3N0	3 (27%)	8 (33%)	8 (27%)
T3N1	2 (18%)	4 (17%)	2 (7%)
T3N2	2 (18%)	7 (29%)	2 (7%)
T4N0	2 (18%)	1 (4%)	7 (24%)
T4N1	1 (9%)	1 (4%)	2 (7%)
T4N2	0	0	1 (3%)

SP-RATS, single-port robotic-assisted thoracic surgery; TP-RATS, two-port robotic-assisted thoracic surgery; VATS, video-assisted thoracic surgery; Adenoca, adenocarcinoma; Sqcc, squamous cell carcinoma. Data are expressed as number (%) and median [interquartile range].