Table 1.
Baseline characteristics.
| HH (n = 90) | Non-HH (n = 275) | p Value | |
|---|---|---|---|
| Patient demographics | |||
| Age (year) | 59.5 (47–71) | 62 (52–72) | 0.203 |
| Gender, male | 67 (74.4%) | 185 (67.3%) | 0.201 |
| Weight (kg) | 66 (57.2–75.8) | 65 (57.3–72.2) | 0.360 |
| Smoking | 31 (34.8%) | 95 (34.8%) | 0.995 |
| Comorbidities | |||
| Diabetes mellitus | 28 (31.1%) | 94 (34.2%) | 0.592 |
| Hypertension | 36 (40.0%) | 141 (51.3%) | 0.063 |
| Malignancy | 18 (20.0%) | 40 (14.5%) | 0.219 |
| Dyslipidemia | 11 (12.2%) | 35 (12.7%) | 0.900 |
| Chronic kidney disease a | 6 (6.7%) | 41 (14.9%) | 0.043 |
| Chronic liver disease | 6 (6.7%) | 20 (7.3%) | 0.846 |
| Previous coronary artery disease | 16 (17.8%) | 51 (18.5%) | 0.870 |
| Arrest due to ischemic heart disease | 38 (42.2%) | 142 (51.6%) | 0.121 |
| Initial shockable rhythm | 22 (24.4%) | 95 (34.5%) | 0.075 |
| Out-of-hospital cardiac arrest | 6 (6.7%) | 42 (15.3%) | 0.036 |
| ECPR details | |||
| CPR to ECMO pump-on time (min) | 35 (20–53) | 30 (20–47) | 0.373 |
| ECMO duration (day) | 3 (1–6) | 1 (0–3) | <0.001 |
| In-hospital management | |||
| Mechanical ventilator | 82 (91.1%) | 232 (84.4%) | 0.109 |
| CRRT | 54 (60.0%) | 83 (30.2%) | <0.001 |
| Vasopressor | 88 (97.8%) | 255 (92.7%) | 0.081 |
a Chronic kidney disease is defined as either kidney damage or GFR <60 mL/min/1.73 m2 for ≥3 months; CPR, cardiopulmonary resuscitation; ECPR, extracorporeal cardiopulmonary resuscitation; ECMO, extracorporeal membrane oxygenation; CRRT, continuous renal replacement therapy.