Table 2 Univariate analysis: comparisons of factors associated with 24-h mortality
Survivors (n = 55) | Non-survivors (n = 30) | P | |
|---|---|---|---|
Age, years | 60 (51 to 69) | 62 (52 to 70) | NS |
Female, | 25 (45.4) | 13 (43.3) | NS |
Hypertension | 30 (54.5) | 18 (60.0) | NS |
Diabetes | 16 (29.1) | 14 (46.6) | <0.05 |
Coronary artery disease | 18 (32.7) | 11 (36.6) | NS |
Chronic Heart Failure | 16 (29.1) | 11 (36.6) | NS |
Witnessed arrest | 31 (56.4) | 16 (53.3) | NS |
Bystander CPR | 20 (36.4) | 5 (16.6) | <0.01 |
Total downtime | 22 (15 to 29) | 31 ((22 to 38) | 0,002 |
CGS <6 on arrival at the ER | 47 (85.5) | 27 (90.0) | NS |
Ongoing CPR on arrival at the ER | 16 (29.1) | 5 (16.7) | <0.05 |
Palpable pulse on arrival at the ER | 45 (90.9) | 19 (70.0) | <0.01 |
Supraventricular rhythm in the ER | 34 (61.8) | 20 (66.7) | NS |
Asystole | 23 (41.8) | 22 (73.3) | 0.002 |
Defibrillation in the ER | 27 (49.1) | 13 (43.3) | NS |
Adrenaline in the ER | 41 (74.5) | 26 (86.7) | NS |
Cardiogenic shock | 9 (16.4) | 7 (23.3) | NS |
Confirmed AMI as final diagnosis | 34 (61.8) | 14 (46.7) | <0.05 |
APACHE II score | 35 (32 to 38) | 38 (33 to 41) | NS |
Plasma DNA (GE/ml) | 3,970 (2,460 to 4,980) | 5,520 (3,870 to 6,400) | 0.001 |
Basal lactate (mmol/l) | 10.7 (9.6 to 12.2) | 11.9 (10.7 to 13.4) | NS |
6-h lactate (mmol/l) | 5.7 (4.9 to 6.6) | 8.4 (7.1 to 10.2) | <0.01 |
6-h lactate clearance (%) | 55 (47 to 65) | 38 (16 to 57) | <0.05 |
Blood sugar (mg/dl) | 214 (180 to 234) | 255 (210 to 275) | <0.05 |
Blood urea nitrogen (mg/dl) | 35 (28 to 41) | 46 (33 to 54) | <0.05 |