Table 4.

Cancer-Specific Survival and Overall Survival by Tumor/Treatment Characteristics

	CSS	P	OS	P
Primary Site	—	0.351	—	0.507
Vertebral column	73.10%	—	73.10%	—
Rib, sternum, clavicle, and associated joints	77.90%	—	75.60%	—
Pelvic bones, sacrum, coccyx, and associated joints	66.90%	—	66.90%	—
Stage	—	0.005	—	0.006
Local	80.30%	—	79.50%	—
Regional	65.80%	—	65.30%	—
Tumor size	—	0.127	—	0.173
<8 cm	75.60%	—	74.80%	—
>8 cm	63.80%	—	63.80%	—
Unknown	74.30%	—	73.00%	—
Surgery + chemotherapy + radiation	0.34	—	0.274	—
Yes	73.10%	—	73.10%	—
No	70.50%	—	69.60%	—
Surgery only	—	0.403	—	0.022
Yes	50.00%	—	0.00%	—
No	71.40%	—	71.10%	—
Chemotherapy only	—	0.695	—	0.650
Yes	73.90%	—	73.90%	—
No	71.10%	—	70.40%	—
Surgery + chemotherapy	—	0.096	—	0.122
Yes	78.80%	—	77.50%	—
No	68.70%	—	68.30%	—
Surgery + radiation	<0.001	—	<0.001	—
Yes	0.00%	—	0.00%	—
No	71.50%	—	70.90%	—
Chemotherapy + radiation	0.006	—	0.009	—
Yes	62.50%	—	62.50%	—
No	75.70%	—	74.80%	—
No treatment	—	0.259	—	0.254
Yes	100.00%	—	100.00%	—
No	70.60%	—	70.00%	—

OS = overall survival