Table 1 Characteristics and outcomes by elevation
High Elevation n = 3187 | Low Elevation n = 5375 | p-value | |
|---|---|---|---|
TAI, % Yes (n) | 1.5% (47) | 1.1% (47) | 0.01 |
Age, % ≤ 50 y/o (n) | 37% (1194) | 52% (2814) | < 0.0001 |
Sex, % Male (n) | 62% (1985) | 64% (3447) | 0.09 |
Race, % (n) | |||
Caucasian | 85% (2607) | 77% (4107) | < 0.0001 |
Black | 1% (43) | 12% (44) | |
Native American | < 1% (12) | 2% (101) | |
Asian | 2% (46) | 1% (44) | |
Other | 12% (353) | 9% (471) | |
Cause, % (n) | |||
Fall | 44% (1407) | 25% (1361) | < 0.0001 |
MCC/MVC | 33% (1060) | 57% (3047) | |
Sports Accident | 15% (482) | 3% (169) | |
Other | 7% (235) | 15% (795) | |
ISS, Median (IQR) | 13 (9, 18) | 12 (5, 19) | < 0.0001 |
Major ≥16, % (n) | 66% (2090) | 64% (3434) | 0.12 |
Minor < 16, % (n) | 34% (1097) | 36% (1941) | |
Chest AIS, Mean (SD) | 2.6 (0.8) | 2.4 (0.9) | < 0.0001 |
Abdomen AIS, Mean (SD) | 2.4 (0.7) | 2.0 (1.0) | < 0.0001 |
Admission Vitals, % Normal (n)a | |||
O2 Saturation | 82% (2604) | 67% (3595) | < 0.0001 |
GCS | 82% (2603) | 75% (4017) | < 0.0001 |
HR | 88% (2792) | 87% (4685) | 0.57 |
SBP | 73% (2340) | 77% (4152) | < 0.0001 |
RR | 79% (2514) | 71% (3835) | < 0.0001 |
Comorbidities, % Yes (n) | 65% (2084) | 65% (3499) | 0.78 |
Hypertension | 34% (1071) | 27% (1435) | < 0.0001 |
Bleeding Disorder | 12% (377) | 5% (264) | < 0.0001 |
Smoker | 17% (540) | 27% (1457) | < 0.0001 |
Diabetes | 12% (369) | 12% (623) | 0.99 |
Alcoholism | 8% (267) | 5% (284) | < 0.0001 |
Drug Use | 7% (216) | 6% (308) | 0.051 |
Mortality | 4% (107) | 15% (348) | < 0.0001 |