Table 1.
Distribution of demographics and burn characteristics among patients 18 years or older admitted to the NC Jaycee Burn Center between January 1, 2004 and December 31, 2013, stratified across time period.
| Patient Characteristics | 2004 – 2007 N=1,509 (27.2) |
2008 – 2010 N=1,591 (28.7) |
2011 – 2013 N=2,440 (44.0) |
p-valuea | |
|---|---|---|---|---|---|
| Sex, n (%) | |||||
| Male | 1,140 (75.6) | 1,141 (71.7) | 1,739 (71.3) | <0.01 | |
| Female | 369 (24.5) | 450 (29.6) | 701 (28.7) | ||
| Race/ethnicity, n (%) | |||||
| African American | 379 (25.1) | 437 (27.8) | 651 (28.4) | 0.07 | |
| Asian | 10 (0.7) | 10 (0.6) | 5 (0.2) | 0.07 | |
| Caucasian | 741 (49.1) | 898 (57.2) | 1,324 (57.7) | <0.01 | |
| Hispanic | 92 (6.1) | 112 (7.1) | 105 (4.6) | <0.01 | |
| Other | 287 (19.1) | 113 (7.2) | 209 (9.1) | <0.01 | |
| Unknown | 0 | 21 | 146 | - | |
| Age, in years, median (IQR) | 42.3 (30 – 54) | 42.5 (30 – 54) | 42.2 (29 – 55) | 0.81 | |
| Burn mechanism, n (%) | |||||
| Flame | 931 (61.2) | 849 (53.7) | 1,167 (47.9) | <0.01 | |
| Scald | 345 (23.0) | 484 (30.6) | 876 (36.0) | <0.01 | |
| Contact | 64 (4.3) | 70 (4.4) | 155 (6.4) | <0.01 | |
| Chemical | 61 (4.1) | 71 (4.5) | 103 (4.2) | 0.84 | |
| Radiation | 3 (0.2) | 5 (0.3) | 6 (0.3) | 0.81 | |
| Electrical | 82 (5.5) | 59 (3.7) | 77 (3.2) | <0.01 | |
| Other burn | 12 (0.8) | 44 (2.8) | 51 (2.1) | <0.01 | |
| Unknown | 11 | 9 | 5 | ||
| TBSA, median (IQR) | 7.0 (3 – 14) | 4.8 (2 – 10) | 3.0 (1 – 7) | <0.01 | |
| Baux score, median (IQR) | 53.2 (40 – 72) | 50.1 (37 – 65) | 47.7 (34 – 62) | <0.01 | |
| Inhalation injury, n (%) | |||||
| Yes | 213 (14.1) | 123 (7.7) | 130 (5.3) | <0.01 | |
| No | 1,296 (85.9) | 1,468 (92.3) | 2,309 (94.7) | ||
IQR=interquartile range, TBSA= Total Burn Surface Area
a
Chi-square and Kruskal Wallis tests were used to calculate p-values; p<0.05 are in bold