Table 2.

Clinical characteristics after surgical resection for carcinosarcoma of the gall bladder

Characteristics	n	Survival rate (%)			Median survival in months (range)	P value
		1 yr	2 yr	3 yr
Overall	36	37.2	31.0	31.0	7.0 (4.4-9.6)
Age (yr)
< 65	14	37.7	18.9	18.9	5.0 (0.3-9.7)	0.887
> 65	22	36.7	36.7	36.7	7.0 (4.2-9.8)
Gender
Male	10	36.0	24.0	24.0	6.0 (0.3-13.7)	0.877
Female	26	37.5	37.5	37.5	6.0 (3.3-8.7)
Palpable mass
Present	14	48.0	48.0	48.0	7.0	0.853
Absent	11	47.6	23.8	23.8	8.0 (0.0-16.9)
Stone
Present	10	40.0	-	-	7.0 (3.2-10.8)	0.937
Absent	20	42.1	33.7	33.7	7.0 (3.4-10.6)
Size of the tumor (cm)
< 5	8	60.0	60.0	60.0	-	0.361
> 5	21	36.6	24.4	24.4	7.0 (5.1-8.9)
Si or organ invasion
Present	18	9.2	0.0	0.0	4.0 (2.2-5.8)	0.001
Absent	10	88.9	88.9	88.9	-
Scc component
Present	8	28.6	14.3	-	4.0 (1.4-6.6)	0.291
Absent	16	31.2	31.2	31.2	7.0 (4.8-9.2)
Stage
II	10	87.5	87.5	87.5	-	0.001
III or IVa	18	13.8	0.0	0.0	4.0 (2.2-5.8)
Changing trends
1970-1989	12	45.5	30.3	-	4.0 (0.0-12.9)	0.920
1990-1999	10	44.4	44.4	-	7.0 (4.1-9.9)
2000-2009	14	20.8	20.8	20.8	7.0 (4.8-9.2)

Scc: Squamous cell carcinoma; Si: Serosal invasion; Stage: Classification according to International Union Against Cancer (UICC).