Table III.
Factors predicting survival to discharge.
| Variables | Discharged(n=12, 18%) | Died (n=55, 82%) | Univariate analysis | Multivariate analysis | ||
|---|---|---|---|---|---|---|
| Odds ratio (95% Cl) P-value | Odds ratio (95% Cl) | P-value | ||||
| Sex (M/F) | 7/5 | 32/23 | 0.9 (0.28-3.52) | 0.992 | - | - |
| Age (months) (mean) | 30±6 | 60±13 | 0.132 | - | - | |
| <1 year of age– no. (%) | 7(32) | 15(68) | 3.7 (1.02-13.52) | 0.038 | 1.5 (0.19-11.95) | 0.698 |
| CPRaduration (mean, min.) | 6±2 | 35±16 | <0.001 | - | - | |
| >10 min CPR | 1(2) | 46(98) | 56.2 (6.43-491.5) | <0.001 | - | - |
| Diagnosis – no. (%) | 0.037 | 0.729 | ||||
| Respiratory failure | 7(59) | 16(29) | 2.2 (0.36-14.25) | 0.053 | 0.4 (0.03-5.74) | 0.438 |
| Trauma | 0(0) | 16(29) | - | - | - | |
| Cardiac failure | 1(8) | 5(9) | 5.0 (0.34-72.76) | 0.934 | 0.9 (0.20-57.84) | 0.977 |
| Sepsis/shock | 0(0) | 5(9) | - | - | - | |
| Other or unknown | 1(8) | 10(18) | 10.0 (0.73-135.32) | 0.404 | 4.6 (0.22-96.52) | 0.322 |
| Neurological diseases | 3(25) | 3(6) | Reference | Reference | ||
| Shift hours – no. (%) | ||||||
| Out of working hours | 1(3) | 35(97) | 19.2 (2.31- 160.3) | <0.001 | 37.6 (2.62-539.7) | 0.008 |
| Within working hours | 11(35) | 20(65) | ||||
| Comorbidity (+) – no. (%) | 9(26) | 26(74) | 3.3 (0.81-13.70) | 0.081 | - | - |
| Transport by the EMSb – no. (%) | 3(9) | 29(91) | 3.3 (0.81-13.70) | 0.081 | - | - |
| Locations of arrest – no. (%) | 4(8) | 43(92) | 7.1 (1.83-27.92) | 0.002 | ||
| OHCAc | 8(40) | 12(60) | 3.8 (0.47-31.20) | 0.205 | ||
| IHCAd | 2(29) | 5(71) | 1.8 (0.21-13.21) | 0.600 | ||
| Defibrillation (+) – no. (%) | 1.7±0.2 | 7.9±0.5 | <0.001 | - | - | |
| Number of adrenalin (mean) | ||||||
a
Cardiopulmonary resuscitation,
b
Emergency medical servise cOut-of-hospital cardiac arrests, dIn-hospital cardiac arrests