Table 1.
Cohort Characteristics Overall and Divided by High/Low Vt over the First 6 h post-ROSC.
| Total Population n = 185 | High Vt* (>8ml/kg) n = 68 | Low Vt (≤8ml/kg) N=117 | p-Value | |
|---|---|---|---|---|
| Demographics | ||||
| Age (mean, SD) | 68.4 (15.2) | 68.7 (15.4) | 68.3(15.2) | 0.96 |
| Sex (%F) | 36.2 | 60.3 | 22 | <0.001 |
| Race (%W) | 66.5 | 67.7 | 65.8 | 0.80 |
| Arrest Characteristics | ||||
| Location (%) | ||||
| EDǂ | 15.7 | 10.3 | 18.8 | 0.02 |
| Ward | 31.4 | 38.2 | 27.4 | |
| ICU§ | 32.4 | 39.7 | 28.2 | |
| Procedural Area/OR | 20.5 | 11.8 | 25.6 | |
| Initial Rhythm (%) | ||||
| Shockable | 22.2 | 22.1 | 22.2 | >0.99 |
| Non-Shockable | 75.1 | 75 | 75.2 | |
| Unknown | 2.7 | 2.9 | 2.6 | |
| Downtime (minutes; median, IQR) | 10.0 (5.0.17.5) | 11.0 (7.0,19.0) | 9.0 (4.0,17.0) | 0.02 |
| Post-Arrest Characteristics | ||||
| Vasopressors (%received) | 78.9 | 85.3 | 75.2 | 0.10 |
| TTM (%cooled) | 30.8 | 23.5 | 35.0 | 0.10 |
*
Vt = Tidal Volume;
ǂ
ED = Emergency Department
§
= ICU = Intensive Care Unit.