Influence of blood transfusion on postoperative inflammation, stress markers, and prognosis in patients with gastric cancer

Table 1 Comparison of demographics characteristics between two groups, mean ± SD/n (%)

Parameters	Non-transfusion group (n = 108)	Transfusion group (n = 92)	t/χ2 value	P value
Age (years)	60.54 ± 10.12	61.14 ± 10.79	0.410	0.682
Sex			0.217	0.641
Male	73 (67.59)	65 (70.65)
Female	35 (32.41)	27 (29.35)
BMI (kg/m2)	24.16 ± 2.73	23.61 ± 2.25	1.545	0.124
ECOG			0.779	0.378
0	93 (86.11)	75 (81.52)
1	15 (13.89)	17 (18.48)
Weight loss			3.607	0.165
0%-5%	71 (65.74)	59 (64.13)
6%-10%	24 (22.22)	14 (15.22)
> 10%	13 (12.04)	19 (20.65)
History of gastric surgery			0.332	0.565
Yes	21 (19.44)	15 (16.30)
No	87 (80.56)	77 (83.70)
Smoking			0.300	0.861
Never	23 (21.30)	17 (18.48)
Former	28 (25.93)	26 (28.26)
Current	57 (52.78)	49 (53.26)
Drinking			0.011	0.995
Never	8 (7.41)	7 (7.61)
Former	11 (10.19)	9 (9.78)
Current	89 (82.41)	76 (82.61)
Employment status			0.009	0.924
Employed	78 (72.22)	67 (72.83)
Unemployed	30 (27.78)	25 (27.17)
Marital status			0.020	0.990
Married	57 (52.78)	49 (53.26)
Single	35 (32.41)	29 (31.52)
Divorced	16 (14.81)	14 (15.22)
Current residence			0.127	0.721
Urban	69 (63.89)	61 (66.30)
Rural	39 (36.11)	31 (33.70)

BMI: Body mass index; ECOG: Eastern Cooperative Oncology Group.