Table 1
Baseline characteristics, laboratory and climatic data of 382 patients with in-hospital cardiac arrest according to return of spontaneous circulation (ROSC) and mortality.
| VARIABLE | ROSC | P VALUE | MORTALITY | P VALUE | ||
|---|---|---|---|---|---|---|
| Yes (165) | No (217) | Yes (365) | No (22) | |||
| Age (years) | 65.0 (55.0–73.0) | 69.0 (58.0–78.0) | 0.007 | 67.0 (57.0–77.0) | 53.0 (43.5–68.5) | <0.001 |
| Male gender, n (%) | 86 (52.1) | 120 (55.3) | 0.607 | 167 (45.8) | 12 (54.5) | 0.560 |
| Initial rhythm, n (%) | ||||||
| Shockable | 18 (10.9) | 16 (7.4) | 0.307 | 32 (8.8) | 2 (9.1) | 0.737 |
| Non-shockable | 147 (89.1) | 201 (92.6) | 333 (91.2) | 20 (90.9) | ||
| Duration of CPR (min) | 14.0 (7.0–20.0) | 30.0 (20.0–35.0) | < 0.001 | 24.0 (15.0–32.0) | 6.0 (2.0–12.5) | <0.001 |
| Medical history, n (%) | ||||||
| Arterial hypertension | 100 (60.6) | 143 (65.9) | 0.338 | 238 (65.2) | 8 (36.4) | 0.012 |
| Diabetes | 109 (66.1) | 138 (63.6) | 0.695 | 132 (36.2) | 5 (22.7) | 0.294 |
| Epinephrine, n (%) | 161 (97.6) | 216 (99.5) | 0.223 | 362 (99.2) | 20 (90.9) | 0.018 |
| Amiodarone, n (%) | 146 (88.5) | 199 (91.7) | 0.379 | 35 (9.6) | 2 (9.1) | 0.767 |
| Minimum Temperature (°C) | 17.0 (14.5–19.0) | 16.7 (14.2–19.0) | 0.948 | 16.8 (14.3–19.0) | 16.4 (14.8–18.8) | 0.999 |
| Medium Temperature (°C) | 21.1 (18.6–23.4) | 20.8 (18.9–23.1) | 0.683 | 20.9 (18.9–23.1) | 21.6 (18.8–23.5) | 0.771 |
| Maximum Temperature (°C) | 26.7 (23.4–29.7) | 26.6 (23.9–29.3) | 0.850 | 26.6 (23.9–29.4) | 27.5 (23.3–30.7) | 0.501 |
| Minimun RH (g/kg) | 41.8 (32.6–54.7) | 43.3 (35.0–57.9) | 0.189 | 42.9 (34.7–57.4) | 42.2 (31.3–53.9) | 0.456 |
| Medium RH (g/kg) | 66.4 (54.9–76.4) | 68.2 (60.2–78.5) | 0.067 | 67.3 (56.8–77.9) | 69.3 (55.8–76.2) | 0.638 |
| Maximum RH (g/kg) | 85.1 (77.7–91.5) | 87.2 (80.5–92.7) | 0.055 | 86.2 (79.1–92.0) | 88.5 (80.3–92.5) | 0.417 |
| Hemoglobin (g/dL) | 12.0 (± 2.5) | 11.8 (± 2.5) | 0.552 | 11.9 (± 2.6) | 12.2 (± 1.9) | 0.580 |
| Hematocrit (%) | 36.5 (± 7.4) | 36.2 (± 7.4) | 0.727 | 36.3 (± 7.5) | 36.9 (± 5.2) | 0.713 |
| Urea (mg/dL) | 55.0 (36.0–95.0) | 58.5 (36.5–98.0) | 0.231 | 57.0 (38.0–96.8) | 27.5 (22.3–51.3) | <0.001 |
| Creatinine (mg/dL) | 1.0 (0.7–1.7) | 1.1 (0.7–2.0) | 0.426 | 1.1 (0.8–1.9) | 0.7 (0.6–1.3) | 0.005 |
| Sodium (mmol/L) | 136 (131–139) | 136 (133–139) | 0.162 | 136 (133–139) | 135 (131–137) | 0.136 |
| Potassium (mmol/L) | 4.3 (3.9–4.9) | 4.4 (3.9–4.9) | 0.662 | 4.3 (3.9–4.9) | 4.3 (4.0–4.9) | 0.947 |
[i] Data are expressed as the mean ± SD, median (25–75%) or percentage. CPR = cardiopulmonary resuscitation; ROSC = return of spontaneous circulation; RH = relative humidity.