Red blood cell distribution width and platelet counts are independent prognostic factors and improve the predictive ability of IPI score in diffuse large B-cell lymphoma patients

Table 3 Multivariate analysis of clinicopathological parameters for the prediction of OS and PFS in DLBCL patients(n = 349)

Parameter	Overall survival		P value	Score	Progression-free survival		P value
Parameter	HR	95%CI	P value	Score	HR	95%CI	P value
age > 60	3.012	1.817–4.994	0.000	2	2.199	1.529–3.163	0.000
Ann Arbor stage III/IV	1.887	1.040–3.423	0.037	1	1.936	1.263–2.966	0.002
PLT≦126.5(×10⁹/L)	1.749	1.010–3.028	0.046	1	1.963	1.274–3.024	0.002
IPI > 2	1.771	0.984–3.187	0.057		1.499	0.977–2.299	0.064
RDW > 14.35%	2.026	1.263–3.250	0.003	1			0.293

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