Table 2.

Multivariate Cox analysis on survival

Baseline	Compared value	RR	95%CI	P
Severity <200 PMN	200–500 PMN	0.58	0.41‐0.82	.001
	>500 PMN	0.47	0.32‐0.71	.0003
Age group <20 years	20–40 years	1.43	0.97‐2.12	.06
	40–60 years	2.01	1.31‐3.08	.001
	>60 years	5.08	3.22‐8.02	<.00001
Dose <2.5 mg/kg	2.5‐3.5	1.33	0.87‐2.03	.17
	>3.5	1.04	0.65‐1.67	.85
Int Dx‐ ATG <30 days	30–120 days	1.57	1.10‐2.25	.01
	>120 days	1.66	1.08‐2.55	.02
EBMT/ASIA EBMT	ASIA	0.98	0.64‐1.50	.9
Year of ATG 2001–2008	>2008	0.77	0.56‐1.07	.12
Gender Male	female	0.76	0.57‐1.03	.07

Abreviations: As in Table 1; PMN = neutrophils; Dose: indicates mg/kg/day and should be multiplied ×5, for the total dose in mg/kg.