Table 2.
Emergency Department Vital Signs, Labs, and Resuscitation
| Variable | Control (n=559) | QI (n=427) | p Value |
|---|---|---|---|
| Vital sign | |||
| Temperature, °F, median (IQR) | 97.6 (96.7, 98.3) | 97.7 (97.0, 98.4) | 0.158 |
| Systolic blood pressure, mmHg, median (IQR) | 111 (90, 130) | 115 (92, 130) | 0.165 |
| Heart rate, bpm, median (IQR) | 99 (82, 115) | 100 (83, 117) | 0.625 |
| Glasgow Coma Scale, median (IQR) | 15 (6, 15) | 15 (13, 15) | 0.003 |
| Laboratory value | |||
| Lactic acid, mmol/L, median (IQR) | 3.5 (2.2, 5.5) | 3.3 (2.0, 5.0) | 0.185 |
| Base excess, mmol/L, median (IQR) | −3 (−7, −1) | −4 (−7, −1) | 0.085 |
| Hemoglobin, g/dL, median (IQR) | 13.2 (11.9, 14.4) | 13.2 (11.8, 14.4) | 0.556 |
| Platelet level, k/cm2, median (IQR) | 224 (190, 266) | 233 (194, 280) | 0.115 |
| Abnormal coagulation profile, n (%) | 172 (35) | 146 (39) | 0.181 |
| Resuscitation, median (IQR) | |||
| Crystalloid, mL | 0 (0, 0) | 0 (0, 0) | 0.013 |
| Red blood cells, units | 0 (0, 2) | 0 (0, 1) | <0.001 |
| Fresh frozen plasma, units | 0 (0, 2) | 0 (0, 1) | <0.001 |
| Other | |||
| Positive FAST, n (%) | 263 (49) | 206 (50) | 0.781 |
| Time in ED, min, median (IQR) | 64 (27, 132) | 47 (23, 103) | 0.005 |
QI, quality improvement; F, Fahrenheit; FAST, focused abdominal sonography for trauma; ED, emergency department