Table 3.

Comparison of blood gas indexes and hemodynamic indexes in different time periods between the two groups.

Variable		Control group	Titanium mesh group	p values
Preoperative	PaO2 (mm Hg)	64.47 ± 5.11	65.13 ± 5.54	0.765
	PaCO2 (mm Hg)	51.84 ± 4.59	51.19 ± 4.07	0.719
	SaO2 (%)	90.72 ± 3.43	91.42 ± 3.42	0.623
	CI (L·min−1·m−2)	3.36 ± 0.68	3.51 ± 0.60	0.566
	CVP (p/mm Hg)	6.08 ± 0.89	6.28 ± 0.91	0.577
	ELWI (mL·kg−1)	8.14 ± 1.75	8.33 ± 1.72	0.787
Postoperative 24 h	PaO2 (mm Hg)	75.24 ± 5.42	80.54 ± 5.91	0.032
	PaCO2 (mm Hg)	47.42 ± 3.33	44.46 ± 3.48	0.045
	SaO2 (%)	92.24 ± 3.71	92.14 ± 3.56	0.948
	CI (L·min−1·m−2)	4.66 ± 0.73	4.08 ± 0.59	0.040
	CVP (p/mm Hg)	7.84 ± 1.52	10.06 ± 2.26	0.010
	ELWI (mL·kg−1)	13.17 ± 1.54	11.28 ± 1.80	0.012
Postoperative 48 h	PaO2 (mm Hg)	81.69 ± 6.03	88.21 ± 7.66	0.030
	PaCO2 (mm Hg)	40.49 ± 2.75	37.11 ± 3.94	0.023
	SaO2 (%)	93.60 ± 3.9	94.64 ± 2.96	0.466
	CI (L·min−1·m−2)	4.86 ± 0.78	4.21 ± 0.59	0.033
	CVP (p/mm Hg)	9.63 ± 1.96	11.88 ± 1.86	0.009
	ELWI (mL·kg−1)	13.83 ± 2.52	11.69 ± 2.46	0.047

Note: Data are presented as number and mean ± SD and analyzed using a two-sample independent t test.