Clinical analysis of multiple primary malignancies in the digestive system: A hospital-based study

Table 10 Demographic and clinical data in survival and non-survival groups¹

	Survival n = 40	Non-survival n = 80	P
Median age (yr)	61.50 ± 13.60	60.00 ± 14.78	0.46
	(29–84)	(30–89)
Gender
Male	16	39	0.18
Female	24	41	0.18
Time interval (mo)	32.78 ± 27.07	32.98 ± 18.58	0.49
Staging
Stage 1	14	2	< 0.01b
Stage 2	19	2	< 0.01b
Stage 3	6	41	0.04a
Stage 4	1	35	0.16
Treatment regimes2
Radical	36	16	< 0.01b
Palliative	2	36	0.08
Supportive	2	28	0.08

¹Excluding triple primary cancers nine cases.

²Radical treatment includes radical surgery ± radiotherapy ± chemotherapy. Palliative treatment includes palliative surgery±radiotherapy ± chemotherapy.

^aP<0.05,

^bP<0.01 vs others.