Characteristics and Patterns of Metastatic Disease from Chordoma

Table 6

Survival distribution among patients with metastasis stratified by location of metastatic disease.

(a) Case processing summary of patients included in analysis

Location of; primary metastasis	Total	of events	Censored
				Percent
Bone	3	3	0	0%
Liver	2	1	1	50.0%
Lung	16	14	2	12.5%
Soft tissue	1	1	0	0%
Overall	22	19	3	13.6%

(b) Overall statistical comparison and test of equality of survival distributions

	Chi-Square	df	Sig.
Log rank (Mantel-Cox)	11.260	3	0.010

(c) Means and medians for survival time. Estimation is limited to the largest survival time if it is censored

Location of; primary metastasis	Mean					Median
			95% Conf. interval					95% Conf. interval
	Estimate	Std. error	Lower bound	Upper bound		Estimate	Std. error	Lower bound	Upper bound
Bone	48	8.2	32	64		46	8.9	28.4	63.6
Liver	81	6	68.7	92.3		72	N/A	N/A	N/A
Lung	123.3	15.7	92.6	154.1		130	1.8	126.4	133.6
Soft tissue	133	0	133	133		132	N/A	N/A	N/A
Overall	111.6	13.1	86	137.4		128	16.8	97.1	163