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Table 1 Comparison between survivors and non-survivors

From: Post return of spontaneous circulation factors associated with mortality in pediatric in-hospital cardiac arrest: a prospective multicenter multinational observational study

  Number of patients Non-survivors Survivors P -value
Median (IQR) Median (IQR)
Gasometry at 1 h     
pH 259 7.23 (7.03 to 7.35) 7.29 (7.17 to 7.38) 0.004
PaO2, mmHg 253 78.5 (45.0 to 125.0) 81.0 (47.0 to 136.0) 0.476
PaO2/FiO2 231 85.5 (50.75 to 189.5) 111 (63 to 242) 0.101
PaCO2, mmHg 255 46 (32 to 63) 42 (34 to 52) 0.314
HCO3 mEq/L 241 18 (12.0 to 24.5) 21 (15 to 25) 0.064
BE 233 -8 (-2 to -15) -6 (-0.75 to -12) 0.049
Lactic acid, mmol/L 136 7.2 (7 to 13) 4.1 (1.89 to 8) 0.002
FiO2 249 100 (72.5 to 100) 100 (50 to 100) 0.034
Gasometry at 24 h     
pH 209 7.35 (7.26 to 7.42) 7.40 (7.34 to 7.45) 0.001
PaO2, mmHg 205 77 (50 to 124) 82 (49.75 to 119.25) 0.924
PaO2/FiO2 178 125 (70.25 to 242.08) 111 (63 to 242) 0.031
PaCO2, mmHg 208 42.5 (34.25 to 53.5) 41 (35 to 46) 0.175
HCO3, mEq/L 205 22 (19 to 27) 25 (21 to 29) 0.009
BE 186 -2 (-5 to 3.1) 1 (-3 to 5) 0.031
Lactic acid, mmol/L 123 2 (1.2 to 6.47) 1.4 (0.9 to 2.25) 0.007
FiO2 191 80(50 to 100) 45 (30 to 65) 0.001
Lactic acid clearance, % 99 60 (25 to 75) 68.63 (27.81 to 84.70) 0.385
Mechanical ventilation after ROSC, % 215 94.4 93.5 0.756
Vasoactive treatment     
Patients with vasopressors after ROSC, % 173 76.3 63.9 0.039
Inotropic score after ROSC 154 80.7 (121.6) 38.3 (78.7) 0.001
Length of stay     
Days in the PICU 224 7.9 (14.7) 17.4 (19.4) 0.001
Days in hospital ward 118 4.5 (6.9) 17.3 (19.4) 0.001
  1. Significant values marked in bold. BE, base excess; PICU, Pediatric ICU; ROSC, return of spontaneous circulation; FiO2, inspired oxygen fraction; PaO2, arterial partial pressure of oxygen.