Table 2.
Distribution of demographics, burn characteristics, and length of stay, stratified across inpatient mortality.
| Patient Characteristics | Died N=243 (4.4) |
Survived N=5,297 (95.6) |
p-valuea | |
|---|---|---|---|---|
| Hospitalization year, n (%) | ||||
| 2004–2007 | 95 (39.1) | 1,414 (26.7) | <0.01 | |
| 2008–2010 | 71 (29.2) | 1,520 (28.7) | 0.86 | |
| 2011–2013 | 77 (31.7) | 2,363 (44.6) | <0.01 | |
| Gender, n (%) | ||||
| Male | 156 (64.2) | 3,864 (73.0) | <0.01 | |
| Female | 87 (35.8) | 1,433 (27.1) | ||
| Race/ethnicity, n (%) | ||||
| Caucasian | 121 (53.5) | 2,842 (55.3) | 0.62 | |
| African American | 60 (26.6) | 1,407 (27.3) | 0.79 | |
| Hispanic | 8 (3.5) | 301 (5.9) | 0.14 | |
| Asian | 0 (0) | 25 (0.5) | 0.62 | |
| Other | 37 (16.4) | 572 (11.1) | 0.01 | |
| Unknown | 17 | 150 | ||
| Age, in years, median (IQR) | 64.1 (51 – 77) | 41.4 (29 – 54) | <0.01 | |
| Burn mechanism, n (%) | ||||
| Flame | 212 (87.6) | 2,735 (51.9) | <0.01 | |
| Scald | 10 (4.1) | 1,695 (32.1) | <0.01 | |
| Contact | 6 (2.5) | 283 (5.4) | 0.05 | |
| Chemical | 1 (0.4) | 234 (4.4) | <0.01 | |
| Radiation | 0 (0) | 14 (0.3) | 0.99 | |
| Electrical | 6 (2.5) | 212 (4.0) | 0.23 | |
| Other burn | 7 (2.9) | 100 (1.9) | 0.24 | |
| Unknown | 1 | 24 | ||
| TBSA, median (IQR) | 34.0 (17 – 64) | 4.0 (2 – 9) | <0.01 | |
| Revised Baux score, median (IQR) | 109.7 (90 – 132) | 48.9 (35 – 63) | <0.01 | |
| Inhalation injury, n (%) | ||||
| Yes | 110 (45.5) | 356 (6.7) | <0.01 | |
| No | 132 (54.6) | 4,941 (93.3) | ||
| Length of stayb, median (IQR) | 8 (1 – 50) | 8 (2 – 14) | 0.01 | |
IQR=interquartile range, TBSA= Total Burn Surface Area
a
Fisher’s exact and Wilcoxon-Mann-Whitney tests were used to calculate p-values; p<0.05 are in bold
b
In days