Table 1.
Summary of baseline patient characteristics.
Age (years, mean ± sd) | 60.6 ± 16.5 |
Male Sex (percent) | 52.4 |
Race (percent) | |
White/Caucasian | 74.8 |
Black/African/Haitian | 17.3 |
Other/Unknown | 7.8 |
APACHE IV Probability of In-Hospital Mortality (median [q1, q3]) | 0.12 [0.05, 0.29] |
Source of Admission (percent) | |
ED | 42.8 |
Gen Floor | 0.8 |
ICU | 22.5 |
SDU/Telemetry Unit | 0.6 |
Non-Specific | 33.3 |
Diabetes Mellitus (percent) | 25.6 |
AIDS (percent) | 0.3 |
COPD (percent) | |
None | 78.9 |
No Limitations | 10.8 |
Moderate | 1.1 |
Severe | 9.2 |
Dialysis (percent) | 4.7 |
Heart Rate (BPM, mean ± sd) | 97.7 ± 30.5 |
Hematocrit (%, mean ± sd) | 31.8 ± 7.6 |
Mean Arterial Pressure (mmHg, mean ± sd) | 91.6 ± 37.4 |
Potassium (mEq/L median [q1, q3]) | 3.8 [3.4, 4.3] |
Respiratory Rate (breaths/min, mean ± sd) | 34.2 ± 13.7 |
Serum Albumin (g/dL, median [q1, q3]) | 3.1 [2.5, 3.8] |
Serum Bicarbonate (mEq/L, median [q1, q3]) | 22.0 [19.0, 25.0] |
Serum Bilirubin mg/dL, median [q1, q3]) | 0.6 [0.4, 1.1] |
Serum BUN (mg/dL, median [q1, q3]) | 22.0 [14.0, 37.0] |
Serum Creatinine (mg/dL, median [q1, q3]) | 0.9 [0.7, 1.7] |
Serum Na (mEq/L, mean ± sd) | 137.6 ± 6.1 |
Serum WBC x 103 cells/μL, median [q1, q3]) | 10.2 [7.2, 15.8] |
Reason For Transport (percent) | |
Unknown | 54.3 |
Care Not Available | 28.5 |
Protocol (Autolaunch) | 8.8 |
Other | 8.4 |
Time En Route To Completed (min, median [q1, q3]) | 71.0 [0.0, 103.0] |
Time Arrived To Completed (min, median [q1, q3]) | 52.0 [0.0, 75.0] |
Time Departing Facility To Completed (min, median [q1, q3]) | 31.0 [0.0, 48.0] |
Transport Modality (percent) | |
Adult Ground | 21.2 |
Adult Rotor | 17.2 |
Non CCT Transport | 15.1 |
Adult Fixed Wing | 1.1 |
Unknown/Other | 45.4 |
Hospital Referring Unit (percent) | |
ED | 50.1 |
ICU | 38.7 |
CCU | 2.7 |
Other/Unknown | 8.5 |
Arterial Line Placed (percent) | 14.8 |
Intubation (percent) | 1.7 |
Central Line Placed (percent) | 0.7 |
Cardiac Assist Device Used (percent) | 0.3 |
Pacer Used (percent) | <0.1 |