Effects of Tongluo Jiedu prescription on immune function and oxidative stress in patients with oral cancer

Table 1 Comparison of baseline data between the observation and control groups

Variables	Classification/unit	Observation group (n = 40)	Control group (n = 4 0)	t/χ2	P value
Gender	Male	28	27	0.058	0.809
	Female	12	13
Age	yr	53.41 ± 14.67	54.32 ± 11.61	0.308	0.759
BMI	kg/m2	21.45 ± 2.76	21.17 ± 3.92	0.172	0.864
Other cancers	Yes	3	2	0.213	0.644
	No	37	38

BMI: Body mass index.