Table 2 Univariate analysis of mortality according to post-return of spontaneous circulation factors
Patients, number | Patients, % | Mortality, % | Odds ratio | 95% CI | P -value | |
|---|---|---|---|---|---|---|
Mechanical ventilation | ||||||
No | 42 | 6.1 | 41.2 | 1 | ||
Yes | 173 | 93.9 | 45 | 3.273 | 0.713 to 15.027 | 0.127 |
Vasoactive drugs | ||||||
No | 79 | 31.3 | 29.1 | 1 | ||
Yes | 173 | 68.7 | 42.8 | 1.820 | 1.028 to 3.222 | 0.040 |
Vasoactive-inotropic score | ||||||
<14 | 62 | 40.3 | 29 | 0.390 | ||
>14 | 92 | 59.7 | 51 | 2.564 | 1.288 to 5.050 | 0.007 |
Electrocardiographic rhythm after ROSC | ||||||
Sinus rhythm | 230 | 72.8 | 43.5 | 1 | ||
Other rhythms | 86 | 27.2 | 53.5 | 1.495 | 0.909 to 2.459 | 0.113 |
Recovery of spontaneous breathing | ||||||
Yes | 86 | 26 | 22.1 | 1 | ||
No | 245 | 74 | 57.1 | 4.694 | 2.659 to 8.333 | 0.001 |
pH 1 h | ||||||
7.30 to 7.50 | 96 | 37.1 | 37.5 | 1 | ||
<7.30 | 154 | 59.5 | 48.7 | 1.582 | 0.941 to 2.662 | 0.084 |
>7.50 | 9 | 3.5 | 22.2 | 0.476 | 0.094 to 2.418 | 0.371 |
PaO 2 1 h | ||||||
60 to 200 mmHg | 123 | 48.6 | 44.7 | 1 | ||
<60 mmHg | 96 | 37.9 | 43.8 | 0.962 | 0.562 to 1.646 | 0.887 |
>200 mmHg | 34 | 13.4 | 32.4 | 0.591 | 0.265 to 1.318 | 0.199 |
PaCO 2 1 h | ||||||
30 to 50 mmHg | 133 | 52.2 | 33.1 | 1 | ||
<30 mmHg | 37 | 14.5 | 62.2 | 3.323 | 1.560 to 7.079 | 0.002 |
>50 mmHg | 85 | 33.3 | 52.9 | 2.276 | 1.302 to 3.978 | 0.004 |
CO 3 H 1 h | ||||||
20 to 26 mEq/L | 75 | 31.1 | 36 | 1 | ||
<20 mEq/L | 118 | 49 | 46.6 | 1.552 | 0.857 to 2.812 | 0.147 |
>26 mEq/L | 48 | 19.9 | 41.7 | 1.27 | 0.604 to 2.669 | 0.528 |
Base excess 1 h | ||||||
+4 to -4 | 48 | 20.6 | 37.5 | 1 | ||
<-4 | 154 | 66.1 | 46.8 | 1.463 | 0.753 to 2.844 | 0.261 |
> + 4 | 31 | 13.3 | 41.9 | 1.204 | 0.479 to 3.027 | 0.694 |
FiO 2 1 h | ||||||
<0.50 | 42 | 16.7 | 12.1 | 1 | ||
0.50 to 0.79 | 41 | 16.3 | 12.9 | 1.150 | 0.468 to 2.847 | 0.756 |
≥0.80 | 169 | 67.1 | 75 | 2.120 | 1.044 to 4.311 | 0.038 |
PaO 2 /FiO 2 1 h | ||||||
>300 | 166 | 16.7 | 45.5 | 1 | ||
200 to 300 | 37 | 11.7 | 25.8 | 0.417 | 0.154 to 1.134 | 0.087 |
<200 | 28 | 71.6 | 46 | 1.024 | 0.530 to 1.978 | 0.945 |
Lactic acid 1 h | ||||||
<2 mmol/L | 27 | 19.9 | 22.2 | 1 | ||
2 to 5 mmol/L | 39 | 28.7 | 28.2 | 1.375 | 0.438 to 4.318 | 0.585 |
>5 mmol/L | 70 | 51.5 | 51.4 | 3.706 | 1.335 to 10.29 | 0.012 |
pH 24 h | ||||||
7.30 to 7.50 | 158 | 75.6 | 27.8 | 1 | ||
<7.30 | 39 | 18.7 | 53.8 | 3.023 | 1.472 to 6.205 | 0.003 |
>7.50 | 70 | 5.7 | 33.3 | 1.295 | 0.371 to 4.520 | 0.685 |
PaO 2 24 h | ||||||
60 to 200 mmHg | 121 | 59 | 32.2 | 1 | ||
<60 mmHg | 70 | 34.1 | 28.6 | 0.841 | 0.442 to 1.601 | 0.598 |
>200 mmHg | 14 | 6.8 | 57.1 | 2.803 | 0.910 to 8.636 | 0.073 |
PaCO 2 24 h | ||||||
30 to 50 mmHg | 123 | 68.3 | 25.2 | 1 | ||
<30 mmHg | 14 | 7.8 | 35.7 | 1.649 | 0.513 to 5.294 | 0.401 |
>50 mmHg | 43 | 23.9 | 51.2 | 3.109 | 1.508 to 6.409 | 0.002 |
CO 3 H 24 h | ||||||
20 to 26 mEq/L | 90 | 43.9 | 36.7 | 1 | ||
<20 mEq/L | 41 | 20 | 43.9 | 1.352 | 0.638 to 2,865 | 0.432 |
>26 mEq/L | 74 | 36.1 | 24.3 | 0.555 | 0.281 to 1,099 | 0.091 |
Base excess 24 h | ||||||
+4 to -4 | 90 | 48.4 | 30 | 1 | ||
<-4 | 52 | 28 | 40.4 | 1.581 | 0.774 to 3.229 | 0.209 |
> + 4 | 44 | 23.7 | 22.7 | 0.686 | 0.297 to 1.585 | 0.378 |
FiO 2 24 h | ||||||
<0.50 | 80 | 41.9 | 22.1 | |||
0.50 to 0.79 | 48 | 25.1 | 25 | 2.376 | 1.051 to 5.371 | 0.038 |
≥0.80 | 63 | 33 | 52.9 | 5.778 | 2.726 to 12.245 | 0.001 |
PaO 2 /FiO 2 24 h | ||||||
>300 | 116 | 18.2 | 21.6 | 1 | ||
200 to 300 | 34 | 16.3 | 30.3 | 2.327 | 0.988 to 5.481 | 0.053 |
< 00 | 28 | 65.5 | 39.1 | 1.576 | 0.536 to 4.636 | 0.408 |
Lactic acid 24 h | ||||||
<2 mmol/L | 73 | 59.3 | 23.3 | 1 | ||
2 to 5 mmol/L | 29 | 23.6 | 37.9 | 2.013 | 0.798 to 5.081 | 0.139 |
>5 mmol/L | 21 | 17.1 | 47.6 | 2.995 | 1.086 to 8.254 | 0.034 |
Lactic acid clearance | ||||||
>50% | 56 | 55.9 | 28.8 | 1 | ||
>50% | 43 | 44.1 | 30.8 | 1.099 | 0.497 to 2.433 | 0.841 |