The laboratory model developed with age , high - sensitivity C - reactive protein ( hsCRP ) , peripheral capillary oxygen saturation ( SpO2 ) , neutrophil and lymphocyte count , D - dimer , aspartate aminotransferase ( AST ) and glomerular filtration rate ( GFR ) had a significantly stronger discriminatory power than the clinical model ( p = 0 . 0157 ) , with AUC of 0 . 98