Table 1. Variables available prior to extracorporeal life support initiation.
| Variables | Number of patients in which it was measured | Survivors n =14 |
Non-survivors n = 41 |
p -Value |
|---|---|---|---|---|
| Age (years) | 55 | 1.4 (0.4–8) | 1.0 (0.1–5.4) | 0.47 |
| Weight (kg) | 55 | 10.0 (5.6–26.9) | 7.3 (3.9–19.5) | 0.22 |
| Underlying cardiac condition | 55 | 12 (86%) | 31 (76%) | 0.71 |
| Comorbidities | 55 | 4 (29%) | 14 (27%) | 0.9 |
| Length of CPR (minutes) | 52 | 45 (18–49) | 60 (40–105) | 0.02 |
| Last lactate (mmol/L) | 50 | 11.1 (5.5–14.2) | 13.9 (8.1–17.5) | 0.05 |
| Last potassium (mEq/L) | 51 | 4.6 (4.1–5.3) | 5.2 (4.2–6.8) | 0.17 |
| Last pH | 50 | 7.06 (6.9–7.16) | 6.85 (6.58–7.02) | 0.01 |
| Last pCO 2 (torr) | 50 | 56 (44–77) | 71 (44–105) | 0.48 |
| Last bicarbonate (mmol/L) | 50 | 12.2 (9.6–18.5) | 11.4 (5.8–17.7) | 0.27 |
| Absent pupillary reflex | 11 | 1 (7%) | 3 (7%) | 0.36 |
Abbreviations: CPR, cardiopulmonary resuscitation; ECLS, extracorporeal life support; IQR, interquartile range; pCO 2 , partial pressure of carbon dioxide.
Values are presented as either median and IQR or number and proportion. Laboratory values were the last measured prior to ECLS initiation.