Characteristics | All patients (n= 155) | Survivors (n= 66) | Nonsurvivors (n= 89) | P value |
---|---|---|---|---|
Age (years) | 63 ± 16 | 62 ± 16 | 67 ± 15 | < 0.01 |
Males | 99 (64) | 41 (62) | 58 (65) | 0.74 |
Body mass index (kg/m2) | 26 ± 6 | 26 ± 5 | 27 ± 7 | 0.43 |
SAPS II upon ICU admission | 67 ± 22 | 53 ± 16 | 76 ± 21 | < 0.01 |
SOFA upon ICU admission | 10 ± 4 | 9 ± 4 | 12 ± 4 | < 0.01 |
Admitting diagnosis group | ||||
Septic shock | 54 (35) | 25 (37) | 29 (33) | 0.53 |
Hemorrhagic shock | 16 (11) | 5 (8) | 11 (12) | 0.48 |
Cardiogenic shock | 11 (7) | 3 (5) | 8 (9) | 0.45 |
Cardiac arrest | 19 (12) | 5 (8) | 14 (16) | 0.20 |
Multiple trauma | 10 (6) | 5 (8) | 5 (6) | 0.74 |
Acute respiratory failure | 19 (12) | 7 (10) | 12 (13) | 0.63 |
Acute renal failure | 4 (3) | 4 (6) | 0 (0) | 0.03 |
Others | 22 (14) | 12 (18) | 10 (11) | 0.25 |
Vasopressor administration upon ICU admission | 130 (83) | 49 (74) | 81 (91) | 0.01 |
Renal replacement therapy within first 24 hours of ICU stay | 31 (20) | 12 (18) | 19 (21) | 0.69 |
Mechanical ventilation within first 24 hours of ICU stay | 135 (88) | 54 (82) | 81 (91) | 0.15 |
Creatininemia upon ICU admission (μmol/L) | 200 ± 134 | 213 ± 166 | 188 ± 100 | 0.81 |
Albuminemia upon ICU admission (g/L) | 23 ± 8 | 25 ± 9 | 21 ± 7 | 0.01 |
Base excess upon ICU admission (mmol/L) | -13.7 ± 6.1 | -12.4 ± 6.1 | -14.6 ± 5.9 | < 0.01 |
Anion gap upon ICU admission (mmol/L) | 23 ± 10 | 21 ± 10 | 25 ± 9 | < 0.01 |
Apparent strong ion difference upon ICU admission (mEq/L) | 32.4 ± 6.0 | 35.4 ± 6.5 | 34.5 ± 5.8 | 0.16 |
Effective strong ion difference upon ICU admission (mEq/L) | 22.3 ± 6.0 | 24.9 ± 6.1 | 22.4 ± 6.0 | 0.04 |
Strong ion gap upon ICU admission (mEq/L) | 10.4 ± 6.3 | 10.8 ± 6.4 | 12.1 ± 5.3 | 0.21 |
Sodium bicarbonate administration within first 24 hours of ICU stay | 57 (37) | 23 (35) | 34 (38) | 0.73 |
Amount of sodium bicarbonate administered within first 24 hours of ICU stay in patients receiving sodium bicarbonate (mmol/kg) | 3.9 ± 3.2 | 3.0 ± 2.0 | 4.0 ± 2.8 | 0.31 |
Length of mechanical ventilation (days) | 3 [2 to 11] | 4 [3 to 6] | 2 [2 to 3] | 0.04 |
Length of vasopressor administration (days) | 2 [1 to 5] | 3 [2 to 4] | 2 [2.0 to 2.1] | 0.38 |
Length of ICU stay (days) | 5 [2 to 13] | 11 [8 to 17] | 2 [2 to 3] | < 0.01 |