30-day Mortality (N= 104 with 16 deaths)
Variable HR (CI)* P Value
APACHE II 1.10 (1.01-1.22) 0.04**
Age, years 1.01 (0.97-1.05) 0.72
Male 0.60 (0.18-2.00) 0.21
Thoracenteses performed 0.51 (0.06-4.04) 0.52
Admission Reason:    
Pulmonary disease 2.55 (0.65-10.05) 0.18
Malignancy 6.94 (1.61-29.86) 0.01**
Kidney disease 1.41 (0.15-12.89) 0.76
12 month Mortality (N = 104 with 33 deaths)
APACHE II 1.11 (1.03-1.19) 0.01**
Age, years 1.04 (1.01-1.07) 0.03**
Male 0.79 (0.38-1.66) 0.54
Thoracenteses performed 1.34 (0.45-3.96) 0.60
Admission Reason:    
Pulmonary disease 2.45 (1.06-5.64) 0.04**
Malignancy 5.27 (1.82-15.31) 0.01**
Kidney disease 0.89 (0.20-4.06) 0.88
HR-hazard ratio; CI- 95% confidence interval; APACHE-Acute Physiology and Chronic Health Evaluation;
* HR and CI calculated from Cox Proportional Hazards Model
** Statistical significance defined as a p-value < 0.05.
Table 3: Multivariable Associations with Mortality after Diagnosis of Pleural Effusion