Table 1. Patient outcome in a protocol of bone pain treatment, according to tumor type; dispersion values for white blood cells and platelet counts per mm³ at the 4^th week after treatment using 153Sm-EDTMP; initial pain score and pain score after six months, according to tumor type.

Tumor type	Outcome				Serum levels			Pain score
	Good (%)	Intermediate (%)	Poor (%)	Total (%)	Variable	n	Mean ± SD	Timing	Mean ± SD	p value*
Prostate	16	9	6	31	WBC	31	4,951 ± 2,115	Initial	7.4 ± 2.0	< 0.0001
	(28.0)	(15.8)	(10.5)	(54.4)	Platelets	31	143,632 ± 76,809	Final	3.5 ± 2.5
Breast	14	3	3	20	WBC	20	4,010 ± 2,075	Initial	7.1 ± 2.3	< 0.0001
	(24.6)	(5.3)	(5.3)	(35.1)	Platelets	20	13,1310 ± 92,843	Final	3.0 ± 2.9
Other	2	0	4	6	WBC	6	5,395 ± 2,630	Initial	8.0 ± 2.1	0.1250
	(3.5)	(0)†	(7.0)	(10.5)	Platelets	6	137,000 ± 60,956	Final	6.2 ± 3.4
Total ‡	32	12	13	57	WBC	58	4,620 ± 2,186	Initial	7.4 ± 2.1	-----
	(56.1)	(21.1)	(22.8)	(100)	Platelets	58	139,490 ± 79,886	Final	3.6 ± 2.8

SD = standard deviation; WBC = white blood cells.

^* Wilcoxon test for related samples;

^† Frequency of missing data = 1 (refers to patient #58, whose primary tumor was unknown): percentages are calculated in relation to a sample of 57 patients;

^‡ p = 0.0846; Fisher exact test.