Biofeedback therapy combined with Baduanjin on quality of life and gastrointestinal hormone level in patients with colorectal cancer

Table 1 General data of four groups of patients (n = 112, mean ± SD)

	Group A	Group B	Group C	Group D	Statistic	P value
Number of cases (Male/female)	15/14	16/12	15/13	15/12	0.19	0.98
Age (yr)	52.89 ± 6.43	53.93 ± 7.63	52.79 ± 5.85	54.70 ± 6.29	0.53	0.66
BMI	21.17 ± 1.35	21.49 ± 1.02	21.55 ± 1.14	20.95 ± 1.32	1.49	0.22
Operation site/case					0.93	0.99
Left colon	8	8	6	8
Right colon	6	7	8	6
Rectum	15	13	14	13

BMI: Body mass index.