Table 3 Univariate analysis: comparisons of factors associated with in-hospital mortality
Survivors (n = 29) | Non-survivors (n = 56) | P | |
|---|---|---|---|
Age, years | 60 (51 to 69) | 61 (52 to 70) | NS |
Female | 13 (44.8) | 25 (43.3) | NS |
Hypertension | 15(51.7) | 33 (58.9) | NS |
Diabetes | 12 (41.4) | 30 (53.6) | NS |
Coronary artery disease | 12 (41.4) | 27 (48.2) | NS |
Chronic heart failure | 9 (31.0) | 18 (32.1) | NS |
Witnessed arrest | 18 (62.1) | 29 (51.8) | NS |
Bystander CPR | 10 (16.9) | 15 (26.8) | NS |
Total downtime, min | 20 (15 to 29) | 27 (22 to 35) | NS |
CGS < 6 on arrival at the ER | 24 (82.7) | 50 (89.2) | NS |
Ongoing CPR on arrival at the ER | 7 (24.1) | 14 (25.0) | NS |
Palpable pulse on arrival in the ER | 23 (79.3) | 48 (85.7) | NS |
Supraventricular rhythm in the ER | 17 (58.6) | 37 (66.1) | NS |
Asystole | 11 (37.9) | 34 (60.7) | < 0.01 |
Defibrillation in the ER | 15 (51.7) | 25 (44.6) | NS |
Adrenaline in the ER | 21 (72.4) | 46 (82.1) | NS |
Cardiogenic shock | 5 (17.2) | 11 (19.6) | NS |
Confirmed AMI as final diagnosis | 19 (65.5) | 29 (51.8) | < 0.05 |
APACHE II score | 34 (32 to 38) | 37 (33 to 41) | NS |
Plasma DNA (GE/ml) | 2,400 (1,370 to 3,550) | 4,150 (3,460 to 5,180) | 0.001 |
Basal lactate (mmol/l) | 10.8 (9.1 to 12.2) | 11.5 (10.3 to 13.1) | NS |
6-h lactate (mmol/l) | 5.5 (4.9 to 6.6) | 6.9 (5.8 to 8.4) | NS |
6-h lactate clearance (%) | 52 (47 to 65) | 43 (27 to 59) | NS |
Blood sugar (mg/dl) | 195 (165 to 220) | 230 (190 to 245) | NS |
Blood urea nitrogen (mg/dl) | 34 (28 to 45) | 40 (33 to 57) | NS |