Table 5. Results of Stepwise Maximum... | American Society of Hematology

Table 5.

Results of Stepwise Maximum Partial Likelihood Ratio Test (Cox Model)

Step No.	Variable	DF	Log Likelihood	Improvement		Global
Step No.	Variable	DF	Log Likelihood	χ²	P Value	χ²	P Value
0	(Maximum)		−61.204
1	p53 Deletion	1	−56.526	9.36	.002	11.95	.001
2	Myeloma stage	2	−54.422	4.21	.040	14.50	.001
	% Plasma cells			2.13	.144		NS
	Age			1.41	.236		NS
	β₂-Microglobulin			0.37	.543		NS
	Serum creatinine			0.23	.631		NS

Step No.	Variable	DF	Log Likelihood	Improvement		Global
Step No.	Variable	DF	Log Likelihood	χ²	P Value	χ²	P Value
0	(Maximum)		−61.204
1	p53 Deletion	1	−56.526	9.36	.002	11.95	.001
2	Myeloma stage	2	−54.422	4.21	.040	14.50	.001
	% Plasma cells			2.13	.144		NS
	Age			1.41	.236		NS
	β₂-Microglobulin			0.37	.543		NS
	Serum creatinine			0.23	.631		NS

Abbreviation: NS, not significant.