Table 1. Characteristics of mechanically ventilated ED patients.
| Characteristics, n=251 | |
|---|---|
| Baseline | |
| Age (years) | 62.9 (51.2-77.9) |
| Male, n (%) | 129 (51.4) |
| Comorbidities, n (%) | |
| Diabetes | 81 (32.3) |
| Cirrhosis | 9 (3.6) |
| CHF | 40 (15.9) |
| Dialysis | 25 (10.0) |
| Malignancy | 59 (23.5) |
| COPD | 43 (17.1) |
| Height (in) | 66.9 (64.0-70.0) |
| Weight (kg) | 73.0 (57.9-87.9) |
| IBW (kg) | 63.8 (54.6-73.0) |
| BMI | 25.5 (21.0-30.4) |
| Temperature | 36.7 (36.4-37.8) |
| Heart rate | 109.5 (88.0-130.0) |
| RR | 20.0 (18.0-26.0) |
| sBP | 102.5 (80.0-133.5) |
| dBP | 61.0 (48.5-80.0) |
| SpO2 | 93.0 (88.0-99.0) |
| Lactate | 3.7 (2.0-7.3) |
| APACHE II* | 24.0 (19.0-29.0) |
| SOFA* | 8.0 (6.0-11.0) |
| CVP (n=135) | 11.0 (8.0-17.0) |
| ScvO2 (n=102) | 77.0 (66.0-84.0) |
| ED LOS (hours) | 5.5 (4.2-7.5) |
| Process of Care Variables | |
| Time to antibiotic administration (hours) | 2.0 (1.3-3.0) |
| Fluids over first 6 hours (liters) | 3.0 (2.0-4.0) |
| Vasopressor use, n (%) | 191 (76.1) |
| Blood product administration, n (%) | 28 (11.2) |
| ScvO2 ≥ 70% achieved, n (%)† | 80 (78.4) |
CHF = congestive heart failure; COPD = chronic obstructive pulmonary disease; IBW = ideal body weight; BMI = body mass index; RR = respiratory rate; sBP = systolic blood pressure; dBP = diastolic blood pressure; SpO2 = pulse oximetry; APACHE = Acute Physiology and Chronic Health Evaluation; SOFA = Sequential Organ Failure Assessment Score; CVP = central venous pressure; ScvO2 = central venous oxygen saturation; LOS = length of stay Continuous variables are reported as median (interquartile range).
†
Refers to the 102 patients with ScvO2 monitored while in the ED.