Probiotics Can Boost the Antitumor Immunity of CD8⁺T Cells in BALB/c Mice and Patients with Colorectal Carcinoma

Table 1

The correlation between clinical data and PFS of patients with colorectal carcinoma was analyzed by log-rank test.

Clinical parameters	Cases	Median PFS (days)
Gender
Male	63	1372	0.766	0.382
Female	59	1453
Age
<59	58	1334	2.023	0.155
≥60	64	1480
CD4^+T cells
Low	38	1408	0.097	0.756
High	84	1412
CD8^+T cells
Low	35	1514	9.684	0.002
High	87	1158
Group
Group A	62	1531	4.622	0.032
Group B	60	1294
TNM stage
I-II	55	1566	5.878	0.015
III-IV	67	1285
Pathology grade
I-II	80	1531	7.398	0.004
III-IV	42	1183
Lymphatic metastasis
Positive	48	1186	8.847	0.003
Negative	74	1558

Note: group A was treated with probiotics before surgery, group B was not treated with probiotics.