Table 2.

Demographic and clinicopathologic factors (continuous variables).

Variable	n	Mean	Std. error	Median	Std. dev.	Min.	Max.
Age at diagnosis	53	61.23	1.73	59.00	12.62	40.00	91.00
XRT dose	53	6063.34	201.30	6600.00	1465.47	600.00	7000.00
XRT duration	53	43.04	1.77	45.00	12.85	4.00	75.00
Number of sites of pain	53.00	1.21	0.19	1.00	1.38	0.00	6.00