Comparing the efficacy of different dexamethasone regimens for maintenance treatment of multiple myeloma in standard-risk patients non-eligible for transplantation

Table 3 Multivariate Cox’s proportional hazard regression analysis of factors affecting progression-free survival

Parameters	P value	HR	95% CI
			Lower	Higher
Age, yr	0	1.218	1.140	1.302
ISS stage	0.007	2.256	1.249	4.076
ALT	0.057	1.015	1.000	1.030
AST	0.240	1.009	0.994	1.023
LDH	0.199	1.001	0.999	1.004
Treatment	0.192	1.482	0.821	2.672
DM	0.005	3.458	1.456	8.213

LDH: Lactate dehydrogenase; DM: Diabetes mellitus.