Connection between heart rate variability alterations and cancer in tumor patients

Table 1 Basic clinical data of the patients with cancer in the present study

Characteristics	n	%
Male	73	57.5
Female	54	42.5
Age < 65 years	48	37.8
Age ≥ 65 years	79	62.2
Head and neck tumor	37	29.1
Thoracic tumor	62	48.8
Digestive system tumor	16	12.6
Others tumor	12	9.5
Stage I	15	11.8
Stage II	27	21.3
Stage III	52	40.9
Stage Ⅳ	33	26.0