Supplemental material BMJ Publishing Group Limited (BMJ) disclaims all liability and responsibility arising from any reliance placed on this supplemental material which has been supplied by the author(s) Variables Tatal Missing 0 AGE 1177 GENDERA 1177 0 BMI 1177 215 HYPERTENSIVE 1177 0 ATRIALFIBRILLATION 1177 0 CHD.WITH.NO.MI 1177 0 DIABETES 1177 0 DEFICIENCYANEMIAS 1177 0 DEPRESSION 1177 0 HYPERLIPEMIA 1177 0 RENAL.FAILURE 1177 0 COPD 1177 0 HEART.RATE 1177 13 SYSTOLIC.BLOOD.PRESSURE 1177 16 DIASTOLIC.BLOOD.PRESSURE 1177 16 RESPIRATORY.RATE 1177 13 TEMPERATURE 1177 19 SP.O2 1177 13 URINE.OUTPUT 1177 36 HEMATOCRIT 1177 0 RBC 1177 0 MCH 1177 0 MCHC 1177 0 MCV 1177 0 RDW 1177 0 LEUCOCYTE 1177 0 PLATELETS 1177 0 NEUTROPHILS 1177 144 BASOPHILS 1177 259 LYMPHOCYTES 1177 145 PT 1177 20 INR 1177 20 NTPROBNP 1177 0 CREATINEKINASE 1177 165 CREATININE 1177 0 UREANITROGEN 1177 0 GLUCOSE 1177 18 POTASSIUM 1177 0 SODIUM 1177 0 CALCIUM 1177 1 CHLORIDE 1177 0 ANIONGAP 1177 0 BMJ Open Li F, et al. BMJ Open 2021; 11:e044779. doi: 10.1136/bmjopen-2020-044779 Supplemental material BMJ Publishing Group Limited (BMJ) disclaims all liability and responsibility arising from any reliance placed on this supplemental material which has been supplied by the author(s) MAGNESIUM 1177 0 PH 1177 292 BICARBONATE 1177 0 GASLACTATE 1177 229 PCO2 1177 294 EF1 1177 0 BMJ Open Li F, et al. BMJ Open 2021; 11:e044779. doi: 10.1136/bmjopen-2020-044779