Table 1.

Descriptive statistics of demographic and primary cancer sites in different pain control groups

	Group by pain control status
Variable	Improved (n = 163)	Not improved (n = 74)	Statistics (t-test/χ2test)	p
Age (years)	63.62 ± 13.76	64.73 ± 13.99	−0.57	.567
Survival (days)	40.98 ± 40.97	32.58 ± 37.62	1.41	.161
Gender			0.01	.924
Male	76(46.6 %)	35(47.3 %)
Female	87(53.4 %)	39(52.7 %)
Primary Cancer Site			2.53	.960
Lung	31 (19.0 %)	15 (20.3 %)
Liver	30 (18.4 %)	12 (16.2 %)
Colon and rectum	14 (8.6 %)	7 (9.5 %)
Head and neck	13 (8.0 %)	4 (5.4 %)
Breast	11 (6.7 %)	3 (4.1 %)
Stomach	10 (6.1 %)	7 (9.5 %)
Pancreas	9 (5.5 %)	3 (4.1 %)
Cervix/uterine	6 (3.7 %)	3 (4.1 %)
Others	39 (23.9 %)	20 (27.0 %)