Table 2 Features, interventions, and outcomes of cardiac arrest events stratified by neurological outcome
Variables | All patients (n = 402) | Patients with favourable neurological outcome at hospital discharge (n = 70) | Patients without favourable neurological outcome at hospital discharge (n = 332) | p value |
|---|---|---|---|---|
Arrest at night, n (%) | 240 (59.7) | 41 (58.6) | 199 (59.9) | 0.89 |
Arrest on weekend, n (%) | 110 (27.4) | 17 (24.3) | 93 (28.0) | 0.56 |
Arrest location, n (%) | 0.01 | |||
 Intensive care unit | 138 (34.3) | 30 (42.9) | 108 (32.5) |  |
 General ward | 217 (54.0) | 27 (38.6) | 190 (57.2) |  |
 Others | 47 (11.7) | 13 (18.6) | 34 (10.2) |  |
Witnessed arrest, n (%) | 255 (63.4) | 51 (72.9) | 204 (61.4) | 0.08 |
Monitored status, n (%) | 231 (57.6) | 49 (71.0) | 182 (54.8) | 0.01 |
Shockable rhythm, n (%) | 71 (17.7) | 28 (40) | 43 (13.0) | <0.001 |
Critical care interventions in place at time of arrest, n (%) | ||||
 Mechanical ventilation | 72 (17.9) | 10 (14.3) | 62 (18.7) | 0.49 |
 Antiarrhythmics | 32 (8.0) | 7 (10) | 25 (7.5) | 0.47 |
 Vasopressors | 128 (31.8) | 24 (34.3) | 104 (31.3) | 0.67 |
 Dialysis | 29 (7.2) | 3 (4.3) | 26 (7.8) | 0.45 |
 Pulmonary artery catheter | 7 (1.7) | 3 (4.3) | 4 (1.2) | 0.10 |
 Intra-aortic balloon pumping | 6 (1.5) | 2 (2.9) | 4 (1.2) | 0.28 |
CPRa duration, min (SDb) | 18.2 (16.0) | 12.7 (10.2) | 19.3 (16.7) | <0.001 |
Vital signs during the first 24Â h after sustained ROSCc | ||||
 Fever, n (%) | 105 (26.1) | 17 (24.3) | 88 (26.5) | 0.77 |
 Post-ROSC hypotension, n (%) | 40 (10.0) | 1 (1.4) | 39 (11.7) | 0.007 |
Indicators of glucose control during the first 24Â h after sustained ROSC | ||||
 Maximum glucose level, mg/dl (SD) | 259.0 (117.4) | 264.6 (112.3) | 257.8 (118.5) | 0.67 |
 Minimum glucose level, mg/dl (SD) | 160.8 (93.6) | 158.2 (60.4) | 161.4 (99.2) | 0.45 |
 Mean glucose level, mg/dl (SD) | 209.9 (92.7) | 211.4 (75.1) | 209.6.8 (96.1) | 0.59 |
 Hyperglycaemia, n (%) | 199 (49.5) | 36 (51.4) | 163 (49.1) | 0.79 |
 Hypoglycaemia, n (%) | 55 (13.7) | 0 (0) | 55 (16.6) | <0.001 |
Post-ROSC interventions, n (%) | ||||
 Extracorporeal membrane oxygenation | 40 (10.0) | 10 (14.3) | 30 (9.0) | 0.19 |
 Therapeutic hypothermia | 11 (2.7) | 3 (4.3) | 8 (2.4) | 0.41 |
 Percutaneous coronary intervention | 32 (8.0) | 18 (25.7) | 14 (4.2) | <0.001 |
Survival for 24Â h, n (%) | 296 (73.6) | 70 (100) | 226 (68.1) | <0.001 |
Survival to hospital discharge, n (%) | 130 (32.3) | 70 (100) | 60 (18.1) | <0.001 |