Table 3.

Intraoperative respiratory and metabolic parameters, transfusions, and operative time divided in two groups according to type of surgical approach; RBC: red blood cells; FFP: fresh frozen plasma; PT RBC/FFP: patients transfused with units of RBC/FFP.

Variables	LS group (23)		LT group (133)
	Intraoperative data
	Mean	SD	Mean	SD	P
Basal PaO2 (mmHg)	253.02	109.88	227.29	66.57	<0.001*
Worst PaO2 (mmHg)	181.53	75.86	235.29	68.77	<0.001*
Basal PaCO2 (mmHg)	34.94	5.07	35.74	4.8	<0.001*
Worst PaCO2 (mmHg)	43.75	8.56	35.96	4.65	<0.001*
Basal pH	7.44	0.04	7.43	0.05	<0.001*
Worst pH	7.35	0.07	7.39	0.06	<0.001*
Basal HCO3 − (mmol/L)	23.38	2.46	24.04	1.73	<0.001*
Worst HCO3 − (mmol/L)	23.65	2.37	21.93	1.97	<0.001*
Basal BE (mmol/L)	−0.49	2.05	−0.61	2.06	0.595
Worst BE (mmol/L)	−2.3	2.53	−2.69	2.56	0.595
Basal Hb (g/dL)	11.96	1.62	12.23	1.58	<0.001*
Worst Hb (g/dL)	12.11	1.84	11.21	1.7	<0.001*
RBC (U)	0	0	0.58	1.1	<0.001*
FFP (U)	0.22	0.52	0.68	1.07	0.002*
	Number	%	Number	%	P
PT RBC	0	0%	36	27.4%	0.002*
PT FFP	4	17.4%	45	34.2%	0.143
Acidosis correction (NaHCO3)	2	8.7%	16	19%	0.35
	Min	SD	Min	SD	P
Operative time	175	91	165	80	0.588

  ^* P < 0.05.