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Table 1 Baseline characteristics and comorbidities

From: Cost of illness and economic burden of chronic lymphocytic leukemia

  CLL group Control group
  Mean STD Mean STD p-Value
Baseline characteristics     
 Age 66.1 (13.2) 66.1 (13.2)  
 Sex (male = 1) 66.9%   66.9%   
 Mortality (per calendar year) 4.9%   1.7%   
Elixhauser comorbidity groups      
 Congestive heart failure 12.7%   10.3%   <.001
 Cardiac arrhythmias 20.9%   18.4%   <.001
 Valvular disease 10.3%   8.5%   <.001
 Pulmonary circulation  disorders 3.0%   2.0%   <.001
 Peripheral vascular disorders 13.2%   11.8%   <.001
 Hypertension uncomplicated 52.6%   53.3%   0.214
 Hypertension complicated 9.1%   8.4%   0.032
 Paralysis 2.4%   2.1%   0.030
 Other neurological disorders 4.5%   4.4%   0.469
 Chronic pulmonary disease 23.8%   18.4%   <.001
 Diabetes uncomplicated 19.5%   18.0%   0.001
 Diabetes complicated 8.0%   7.1%   0.003
 Hypothyroidism 9.2%   7.6%   <.001
 Renal failure 10.4%   7.9%   <.001
 Liver disease 14.1%   12.2%   <.001
 Peptic ulcer disease  excluding bleeding 2.4%   2.0%   0.010
 AIDS/HIV 0.2%   0.1%   <.001
 Lymphoma 27.7%   0.8%   <.001
 Metastatic cancer 9.6%   3.2%   <.001
 Solid tumor without  metastasis 22.9%   17.1%   <.001
 Rheumatoid arthritis/collagen  vascular diseases 8.1%   6.6%   <.001
 Coagulopathy 11.2%   3.4%   <.001
 Obesity 9.6%   10.2%   0.062
 Weight loss 3.2%   1.1%   <.001
 Fluid and electrolyte  disorders 9.3%   4.5%   <.001
 Blood loss anemia 0.5%   0.4%   0.030
 Deficiency anemias 4.5%   2.9%   <.001
 Alcohol abuse 1.7%   2.2%   0.003
 Drug abuse 0.5%   0.4%   0.136
 Psychoses 1.0%   0.8%   0.018
 Depression 17.3%   13.4%   <.001
Elixhauser score 10.0 (10.5) 5.2 (7.9) <.001
  1. CLL Chronic lymphocytic leukemia, STD Standard deviation.