Other risk factors in the subdistribution hazard model were Acute Physiology and Chronic Health Evaluation II score ( subdistribution hazard ratio = 1.13 ; 95 % CI , 1.11-1 .15 ) , female gender ( subdistribution hazard ratio = 1.29 ; 95 % CI , 1.02-1 .62 ) , presence of solid tumor ( subdistribution hazard ratio = 1.54 ; 95 % CI , 1.15-2 .06 ) , hematopoietic malignancy ( subdistribution hazard ratio = 1.61 ; 95 % CI , 1.04-2 .51 ) , and immunodeficiency ( subdistribution hazard ratio = 1.59 ; 95 % CI , 1.11-2 .27 ) .