Table 1 Characteristics of the study population (mean ± SD) [range]
All patients (n = 56) | Survivors (n = 30) | Non-survivors (n = 26) | p-value for the survivor/non-survivor comparison | |
|---|---|---|---|---|
Age | 62.9 ± 12.1 [39–83] | 61.7 ± 11.1 [40–81] | 64.2 ± 13.1 [39–83] | 0.44 |
Creatinine, μmol/L | 587 ± 270 [57–1000] | 672 ± 265 [133–1000] | 508 ± 310 [57–929] | 0.09 |
pH | 6.75 ± 0.17 [6.28-6.99] | 6.73 ± 0.17 [6.30-6.98] | 6.79 ± 0.17 [6.28-6.99] | 0.16 |
Lactate, mmol/L | 23.07 ± 6.94 [10.9-55.7] | 22.24 ± 4.72 [14–35.3] | 24.0 ± 8.9 [10.9-55.7] | 0.26 |
Plasma metformin level, mg/L | 48.3 ± 39.6 [0.8-188] | 39.66 ± 34.22 [0.8-160] | 63.3 ± 47.4 [1.01-188] | 0.04 |