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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