Table 2 Burn characteristics and hospital service use of burn patients (n) based on the number of burn injury admissions (N) to the North Carolina Jaycee Burn Center, 2005–2015
|  | Non-recidivist (NRC) n = 7083 | Recidivist (RC) n = 51 | RC2s n = 37 | RC≥ 3 n = 14 | p value NRC vs. RC |
|---|---|---|---|---|---|
Burn injury admissions, N | 7083 | 129 | 74 | 55 | n/a |
Burn etiology, N (%) | |||||
 Flame | 3583 (52.6) | 45 (34.9) | 33 (44.6) | 12 (21.8) | 0.0001* |
 Scald | 2178 (32.0) | 42 (32.6) | 27 (36.4) | 15 (27.3) | 0.89 |
 Contact | 402 (5.9) | 19 (14.7) | 7 (9.5) | 12 (21.8) | < 0.0001* |
 Chemical | 373 (5.5) | 21 (16.3) | 5 (6.8) | 16 (29.0) | < 0.0001* |
 Electrical | 255 (3.7) | 2 (1.6) | 2 (2.7) | 0 | 0.22 |
 Radiation | 19 (0.3) | 0 | 0 | 0 | 0.53 |
 Unknown | 273 | 0 | 0 | 0 |  |
Burn circumstance, N (%) | |||||
 Accident, non-work | 5862 (83.6) | 93 (72.0) | 63 (85.1) | 30 (54.5) | 0.001* |
 Accident, work-related | 997 (14.2) | 2 (1.6) | 2 (2.7) | 0 | < 0.0001* |
 Suspected self-inflicted | 59 (0.8) | 28 (21.7) | 7 (9.5) | 21 (38.2) | < 0.0001* |
 Suspected assault/abuse | 94 (1.3) | 6 (4.7) | 2 (2.7) | 4 (7.3) | 0.001* |
 Unknown | 71 | 0 | 0 | 0 |  |
Burn severity, N | |||||
 TBSA, median (IQR) | 3.5 (1–8) | 2.0 (1–4) | 3.0 (1–6) | 1.0 (1–3) | < 0.0001* |
 ≤ 10% TBSA, N (%) | 5384 (76.0) | 115 (89.1) | 63 (85.1) | 52 (94.5) | 0.001* |
 Revised Baux, median (IQR)a | 48.8 (35–63) | 42.5 (33–55) | 42.3 (29–57) | 44.2 (38–52) | 0.001* |
 Inhalation injury present, N (%) | 479 (6.8) | 7 (5.4) | 7 (9.5) | 0 | 0.53 |
Outcome variables | |||||
 LOS, days, median (IQR) | 7 (2–14) | 7 (2–13) | 8 (4–15) | 6 (2–11) | 0.88 |
 Required ICU, N (%) | 2311 (32.6) | 27 (20.9) | 21 (28.4) | 6 (10.9) | 0.005* |
 ICU, days, median (IQR) | 3 (1–14) | 5 (1–16) | 5 (2–22) | 4 (1–7) | 0.81 |
 Required MV, N (%) | 931 (13.1) | 10 (7.8) | 10 (13.5) | 0 | 0.08 |
 MV, days, median (IQR) | 9 (2–38) | 8 (2–33) | 8 (2–33) | n/a | 0.94 |
 Mortality, n (%) | 82 (1.2) | 0 | 0 | 0 | 0.41 |