Table 1.
Baseline patient and injury characteristics
| Overall N=772 |
Burn center N=490 |
Non-burn center N=282 |
P value* | |
|---|---|---|---|---|
|
Patient characteristics
| ||||
| Median age (IQRa) | 46 (35–60) | 48 (35–63) | 46 (34–58) | 0.09 |
| Male (%) | 570 (74) | 373 (76) | 197 (70) | 0.11 |
| Comorbidity (%) | 0.31 | |||
| 1 - None | 55 (7) | 32 (7) | 23 (8) | |
| 2 | 82 (11) | 55 (11) | 27 (10) | |
| 3 | 321(42) | 209 (43) | 112 (40) | |
| 4 | 164 (21) | 108 (22) | 56 (20) | |
| 5 - Highest | 148 (19) | 84 (17) | 64 (23) | |
| Income Quintile (%) | 0.31 | |||
| 1- Lowest | 202 (26) | 120 (24) | 82 (29) | |
| 2 | 174 (23) | 119 (24) | 55 (20) | |
| 3 | 134 (17) | 82 (17) | 52 (18) | |
| 4 | 137 (18) | 84 (17) | 53 (19) | |
| 5- Highest | 58 (8) | 19 (16) | 39 (14) | |
| Rural (%) | 152 (20) | 78 (16) | 74 (26) | 0.001 |
|
Injury characteristics | ||||
| Median TBSAb (IQRa) | 35 (25–45) | 35 (25–45) | 25 (25–45) | 0.05 |
| Inhalation injury (%) | 70 (9) | 56 (11) | 14 (5) | 0.003 |
| Burn Mechanism (%) | 0.10 | |||
| Flame | 510 (66) | 324 (66) | 186 (66) | |
| Contact | 238 (31) | 146 (30) | 92 (33) | |
| Electrical | 24 (3) | 20 (4) | <6 | |
|
Outcomes | ||||
| 24 hour mortality (%)c | 81 (10) | 50 (10) | 31 (11) | 0.73 |
| 30 day mortality (%)d | 149 (19) | 101 (21) | 48 (17) | 0.22 |
a
Interquartile range
b
Total body surface area
c
within 24 hours of admission; excluding deaths in the emergency department
d
including deaths within 24 hours of admission
*
comparing burn and non-designated centers
Counts less than 6 suppressed for confidentiality