Table 1. The characteristic of patients accepting AD or not.

Characteristics	Non AD group n = 246	AD group n = 166	P
Age	55.3 ± 12.965	57.1 ± 12.911	0.189
Sex			0.582
Female	106 (43.1%)	67 (40.4%)
Male	140 (56.9%)	99 (59.6%)
Insurance			0.071
Local	97 (39.4%)	51 (30.7%)
Non-local	149 (60.6%)	115 (69.4%)
Main living environment			0.013
Village	100 (40.7%)	88 (53.0%)
City	146 (59.3%)	78 (47.0%)
Patient education level			0.089
Ordinary	178 (72.4%)	107 (64.5%)
Illiterate	68 (27.6%)	59 (35.5%)
Family status of patients			0.018
Superordinate	91 (37.0%)	43 (25.9%)
Subordinate	155 (63.0%)	123 (74.1%)
Decision making mode			0.827
Patient superiority	39 (15.9%)	25 (15.1%)
Family superiority	207 (84.1%)	141 (84.9%)
Termination of anticancer therapy	11 (4.5%)	166 (100.0%)	0.000

Abbreviations: AD, advance directive.