Table 2.
Patient and injury characteristics, by time period
| 2003–2006 | 2010–2013 | |||||
|---|---|---|---|---|---|---|
|
| ||||||
| Burn Center N=193 |
Non-Burn Center N=121 |
p-value | Burn Center N=171 |
Non-Burn center N=79 |
p-value | |
|
Patient characteristics
| ||||||
| Median age (IQRa) | 45 (34–59) | 45 (35–63) | 0.39 | 47 (34–58) | 52 (34–67) | 0.13 |
|
| ||||||
| Male (%) | 143 (74) | 89 (74) | 0.92 | 135 (79) | 48 (61) | 0.006 |
|
| ||||||
| Comorbidity (%) | 0.19 | 0.83 | ||||
| 1 None | 16 (8) | 12 (10) | 13 (8) | <6 | ||
| 2 | 20 (10) | 12 (10) | 19 (11) | 6 (8) | ||
| 3 | 78 (40) | 37 (31) | 74 (44) | 39 (49) | ||
| 4 | 48 (25) | 26 (21) | 36 (21) | 15 (19) | ||
| 5 Highest | 31 (26) | 34 (28) | 25 (15) | 14 (18) | ||
|
| ||||||
| Income Quintile (%) | 0.13 | 0.74 | ||||
| 1 Lowest | 48 (25) | 40 (33) | 43 (25) | 22 (28) | ||
| 2 | 39 (20) | 19 (16) | 43 (25) | 16 (20) | ||
| 3 | 26 (13) | 20 (17) | 29 (17) | 28 (23) | ||
| 4 | 41 (21) | 29 (24) | 24 (14) | 9 (11) | ||
| 5 Highest | 38 (20) | 13 (11) | 28 (17) | 14 (18) | ||
|
| ||||||
| Rural (%) | 25 (13) | 33 (27) | 0.002 | 34 (20) | 15 (19) | 0.61 |
|
Injury Characteristics | ||||||
| Median TBSAb (IQR) | 35 (25–45) | 25 (25–45) | 0.09 | 35 (25–45) | 25 (25–35) | 0.05 |
|
| ||||||
| Inhalation injury (%) | 21 (11) | 6 (5) | 0.07 | 23 (13) | <6 | 0.05 |
|
| ||||||
| Mechanism (%) | 0.05 | 0.39 | ||||
| Flame | 130 (67) | 71 (59) | 107 (63) | 55 (70) | ||
| Electrical | 10 (5) | <6 | 8 (5) | <6 | ||
| Contact | 53 (27) | 48 (40) | 56 (33) | 23 (29) | ||
|
Outcomes | ||||||
| 24 hour mortality (%)c | 21 (11) | 11 (9) | 0.61 | 19 (11) | <6 | 0.12 |
|
| ||||||
| 30 day mortality (%)d | 47 (24) | 18 (15) | 0.04 | 31 (18) | 7 (9) | 0.06 |
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
Counts <6 suppressed for confidentiality