. Author manuscript; available in PMC: 2011 Feb 28.

Published in final edited form as: Lancet Infect Dis. 2010 Jul 9;10(8):521–526. doi: 10.1016/S1473-3099(10)70133-X

Table 3.

Univariate analysis of factors associated with admission to the intensive care unit (ICU)

	Not admitted to the ICU	Admitted to the ICU	p value^*
Early antiviral therapy (within 48 h)	83/180 (46%)	7/35 (20%)	0·007
Delayed antiviral therapy (after 48 h)	97/180 (54%)	28/35 (80%)	0·007
Diabetes mellitus	56/199 (28%)	19/37 (52%)	0·01
Antilymphocyte globulin use in the previous 6 months	12/200 (6%)	6/37 (16%)	0·043
Abnormal chest imaging at presentation	46/193 (24%)	27/37 (73%)	<0·001
Lymphopenia at time of presentation	94/162 (58%)	22/28 (79%)	0·064

Statistical differences are by χ² test.