Table 2.

Univariate and multivariate overall survival (OS) analysis of CXCR2 in AML patients.

parameter	Univariate analysis			Multivariate analysis
	HR	95% CI	P value	HR	95% CI	P value
Gender(male/female)	0.937	0.586–1.497	0.785	1.183	0.705–1.987	0.522
Age(<60 y/>=60y)	2.268	1.415–3.636	0.00066**	2.153	1.264–3.665	0.0047*
WBC(<2G/L/>=2G/L)	1.245	0.779–1.991	0.359	1.028	0.579–1.824	0.924
Blast (%)	1.005	0.996–1.015	0.261	1.004	0.994–1.015	0.390
Risk stratification (low/median/high)	1.822	1.274–2.606	0.0010*	1.540	1.029–2.305	0.036*
FLT3 (mut/wt)	1.392	0.840–2.305	0.199	1.286	0.719–2.297	0.396
IDH1(mut/wt)	0.832	0.446–1.549	0.561	0.771	0.392–1.517	0.451
CXCR2 (high/low)	1.226	1.067–1.408	0.0039*	1.185	1.005–1.398	0.043*

*p > 0.001, **P < 0.001 (P < 0.05)