GROUP	Age	Male/Female	BMI	Malignancy	Operation	CO₂ (l.)	Min.	l/min.
A	55	Male	24	Yes	Left Hemicolectomy	470	200	2.35
A	81	Male	26	Yes	CONVERTED Rectal Anterior Resection	73	210	0.35
A	74	Female	32	Yes (pT1)	Laparoscopic Assisted Rectal Anterior Resection	86	170	0.50
A	59	Female	23	Yes (Mets)	Sigmoid Resection	420	170	2.47
A	77	Male	28	Yes	CONVERTED Sigmoid Resection	498	190	2.62
A	59	Male	32	Polyp	Right Colectomy	145	150	0.97
A	59	Male	25	Diverticula	Laparoscopic Assisted Rectal Anterior Resection	435	240	1.81
A	71	Male	29	Yes	Right Colectomy	380	150	2.53
A	64	Female	24	Yes	CONVERTED Sigmoid Resection	40	180	0.22
A	56	Male	29	Polyp	Right Colectomy	290	155	1.87
B	68	Male	25	Yes	Right Colectomy	180	120	1.50
B	70	Female	26	Yes	Sigmoid Resection	220	150	1.47
B	81	Male	26	Yes	Laparoscopic Assisted Rectal Anterior Resection	113	220	0.51
B	70	Female	25	Polyp	Rectal Anterior Resection	235	180	1.30
B	55	Female	40	Yes	Laparoscopic Assisted Rectal Anterior Resection	100	190	0.52
B	62	Male	29	Polyp	CONVERTED Total Colectomy	305	280	1.09
B	61	Male	26	Yes	Rectal Anterior Resection	190	160	1.19
B	73	Female	29	Yes	Rectal Anterior Resection	190	160	1.19
B	73	Male	30	Yes	Sigmoid Resection	244	200	1.22
B	43	Female	24	Polyp	Right Colectomy	130	150	0.87