Total (n = 773) | No anemia (n = 383) | Anemia (n = 390) | P Value | |
---|---|---|---|---|
Characteristics | ||||
Male sex | 431 (55.8) | 207 (54) | 224 (57.4) | 0.343 |
Cause of arrest | ||||
Cardiac | 303 (39.2) | 165 (43.1) | 138 (35.4) | 0.024 |
Respiratory | 300 (38.8) | 142 (37.1) | 158 (40.5) | |
Metabolic | 25 (3.2) | 5 (1.3) | 20 (5.1) | |
Neurologic | 9 (1.2) | 4 (1) | 5 (1.3) | |
Infection | 76 (9.8) | 40 (10.4) | 36 (9.2) | |
Other | 23 (3) | 10 (2.6) | 13 (3.3) | |
Initial shockable rhythm | 78 (10.1) | 48 (12.5) | 30 (7.7) | 0.027 |
Blood transfusion 72 h prior to CPR | 99 (12.8) | 11 (2.9) | 88 (22.6) | < 0.001 |
Event witnessed | 431 (55.8) | 224 (58.5) | 207 (53.1) | 0.086 |
Chest compressions | 763 (98.7) | 380 (99.2) | 383 (98.2) | 0.505 |
Shock delivered | 188 (24.3) | 99 (25.8) | 89 (22.8) | 0.326 |
Lidocaine given | 18 (2.3) | 10 (2.6) | 8 (2.1) | 0.589 |
Amiodarone given | 85 (11) | 45 (11.7) | 40 (10.3) | 0.471 |
ROSC | 383 (49.5) | 188 (49.1) | 195 (50) | 0.799 |
ECPR | 10 (1.3) | 7 (1.8) | 3 (0.8) | 0.213 |
TTM | 2 (0.3) | 1 (0.3) | 1 (0.3) | 1.000 |
Coronary angiography | 26 (3.4) | 20 (5.2) | 6 (1.5) | 0.003 |
Coronary reperfusion attempt | 20 (2.6) | 15 (3.9) | 5 (1.3) | 0.017 |
Survival to discharge | 70 (9.1) | 40 (10.4) | 30 (7.7) | 0.183 |
Discharge destination | ||||
Home | 25 (3.2) | 18 (4.7) | 7 (1.8) | 0.082 |
Rehabilitation | 17 (2.2) | 10 (2.6) | 7 (1.8) | |
Nursing home | 4 (0.5) | 3 (0.8) | 1 (0.3) | |
Ventilated ward | 19 (2.5) | 7 (1.8) | 12 (3.1) | |
Deceased | 703 (90.9) | 343 (89.6) | 360 (92.3) | |
Comorbidities | ||||
Acute MI | 98 (12.7) | 52 (13.6) | 46 (11.8) | 0.457 |
Old MI | 38 (4.9) | 22 (5.7) | 16 (4.1) | 0.291 |
CHF | 289 (37.4) | 151 (39.4) | 138 (35.4) | 0.246 |
PVD | 22 (2.8) | 10 (2.6) | 12 (3.1) | 0.697 |
Acute CVA | 35 (4.5) | 24 (6.3) | 11 (2.8) | 0.021 |
History of CVA | 107 (13.8) | 51 (13.3) | 56 (14.4) | 0.675 |
Dementia | 57 (7.4) | 37 (9.7) | 20 (5.1) | 0.016 |
Pulmonary disease | 73 (9.4) | 40 (10.4) | 33 (8.5) | 0.346 |
Connective tissue disease | 6 (0.8) | 4 (1) | 2 (0.5) | 0.447 |
Gastrointestinal ulcer | 8 (1) | 4 (1) | 4 (1) | 1.000 |
Liver disease | 16 (2.1) | 5 (1.3) | 11 (2.8) | 0.139 |
Diabetes mellitus | 309 (40) | 138 (36) | 171 (43.8) | 0.027 |
Paraplegia | 0 (0) | 0 (0) | 0 (0) | |
Renal failure | 148 (19.1) | 57 (14.9) | 91 (23.3) | 0.003 |
Solid tumors | 119 (15.4) | 49 (12.8) | 70 (17.9) | 0.047 |
Hematologic malignancy | 26 (3.4) | 7 (1.8) | 19 (4.9) | 0.019 |
AIDS | 0 (0) | 0 (0) | 0 (0) |