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Table 1 Demographic variables of the burn patients

From: Multi-institutional analysis of independent predictors for burn mortality in the United States

Variable Survival, n = 132,531 Death, n = 4530 P value
Missing Value Missing Value
Age, years (mean ± SD) 30,542 30.5 ± 22.4 704 56.5 ± 22.5 < 0.001*
 Children < 18 years, n (%) 33,601 (32.9) 233 (6.1) < 0.001*
Gender, n (%) 0   0   < 0.001*
 Male   91,814 (69.3)   2933 (64.7)  
 Female   40,717 (30.7)   1597 (35.3)  
Race, n (%) 5564   197   < 0.001*
 Caucasian   74,403 (58.6)   2835 (65.4)  
 African-American   24,024 (18.9)   878 (20.3)  
 Hispanic   19,770 (15.6)   388 (9.0)  
 Other   8770 (6.9)   232 (5.3)  
Alcohol, n (%) N/A 3792 (2.9) N/A 226 (5.0) < 0.001*
Illicit drug use, n (%) N/A 2959 (2.2) N/A 130 (2.9) 0.005*
Smoker, n (%) N/A 6685 (5.0) N/A 263 (5.8) 0.022*
Uninsured, n (%) 14,057 17,426 (14.7) 538 590 (14.8) 0.903
Comorbidities, anya, n (%) N/A 19,281 (14.5) N/A 1206 (26.6) < 0.001*
 CHF   871 (0.7)   147 (3.2) < 0.001*
 Diabetes   3901 (2.9)   291 (6.4) < 0.001*
 Hypertension   8850 (6.7)   631 (13.9) < 0.001*
 Psychiatric illness   4512 (3.4)   227 (5.0) < 0.001*
 Obesity   1405 (1.1)   87 (1.9) < 0.001*
 Respiratory disease   5464 (4.1)   291 (6.4) < 0.001*
  1. *Significant with p < 0.05
  2. aAlcoholism, bleeding disorder, chemotherapy, congenital anomalies, CHF, connective tissue disease, current smoker, dialysis, CVA, diabetes mellitus, cancer, drug abuse, esophageal varices, dependent health status, history of angina/MI, hypertension, immunodeficiency, neurological impairment, obesity, other, prematurity, psychiatric illness, respiratory disease, steroid use, and transplant of organ(s)
  3. CHF congestive heart failure, CVA cerebrovascular accident, MI myocardial infarction, N/A not available, SD standard deviation