Expression characteristics of peripheral lymphocyte programmed death 1 and FoxP3+ Tregs in gastric cancer during surgery and chemotherapy

Table 1 Characteristics of patients and donors

Characteristics	Patients (n = 29)	Donors (n = 29)
Age (mean ± SD)	59.72 ± 15.33	59.62 ± 15.641
Sex (M/F)	15/14	17/121
BMI (kg/m2, mean ± SD)	23.90 ± 5.00	25.10 ± 3.181
KPs score
≥ 60	29	291
< 60	0	0
CEA (μg/L, mean ± SD)	95.26 ± 58.06	-
TNM stage		-
I	2
II	12
III	15
Differentiation		-
High	2
Moderate	18
Low	9

¹The donors exhibited no differences from the patients at P > 0.05.

BMI: Body mass index; CEA: Carcinoembryonic antigen; KPs: Karnofsky performance status.