Different positive end expiratory pressure and tidal volume controls on lung protection and inflammatory factors during surgical anesthesia

Table 1 Comparison of general data of the two groups of patients (mean ± SD)

Index	Group A (n = 60)	Group B (n = 60)	t/χ2 value	P value
Age (yr)	69.6 ± 5.3	70.3 ± 5.7	-0.697	0.487
Height (cm)	165.0 ± 6.1	163.9 ± 5.5	1.037	0.302
Body weight (kg)	125.1 ± 9.7	126.4 ± 7.5	-0.821	0.413
SBP (mmHg)	129.5 ± 7.6	128.0 ± 8.2	1.039	0.301
DBP (mmHg)	75.2 ± 6.9	76.8 ± 7.7	-1.199	0.233
HR (beats/min)	76.4 ± 8.1	75.0 ± 7.0	1.013	0.313
Sex, n (%)			0.862	0.353
Male	33 (55.00)	38 (63.33)
Female	27 (45.00)	22 (36.67)
hypertension, n (%)			1.269	0.260
Yes	26 (43.33)	20 (33.33)
No	34 (56.67)	40 (66.67)
Diabetes, n (%)			1.713	0.191
Yes	11 (18.33)	6 (10.00)
No	49 (81.67)	54 (90.00)
ASA stage, n (%)			2.874	0.238
I stage	15 (25.00)	10 (16.67)
II stage	35 (58.33)	33 (55.00)
III stage	10 (16.67)	17 (28.33)

SBP: Systolic blood pressure; DBP: Diastolic blood pressure; HR: Heart rate; ASA: American Society of Anesthesiologists.