Table 1

COVID-19 mortality prediction models validated in Mexican patients, identified through the systematic search.

Model or authorsPredictorsReference of validation study
CALL scoreComorbidities, age, lymphocyte count, LDH4
Charlson Comorbidity Index (CCI)Age, MI, CHF, PVD, CVA or TIA, dementia, COPD, connective tissue disease, PUD, liver disease, DM, hemiplegia, moderate to severe CKD, solid tumor, leukemia, lymphoma, AIDS4
HScoreImmunosuppression, body temperature, organomegaly, cytopenias, ferritin, triglycerides, fibrinogen, AST, features of hemophagocytosis in bone marrow aspirate4
Inflammation-based risk scoring systemAlbumin, hs-CRP, WBC4
Karaismailoglu et alAge, pneumonia, CKD, COPD, DM8
Kimura-Sandoval et alPercentage of total opacity >51% in non-contrast chest CT, LDH10
LOW-HARM scoreLymphopenia, SpO2, WBC, HTN, age, renal injury, myocardial injury4
NLRAbsolute neutrophil count divided by absolute lymphocyte count4
Nutri-CoV scoreMSL-COVID-19 score, SpO2, RR7
Obesity and diabetes score (MSL-COVID-19)Pneumonia, DM, DM and age <40 years, age ≥65 years, age <40 years, CKD, immunosuppression, COPD, obesity4
ODL-COVIDCD8+ T lymphocyte count, D-dimer, LDH, CRP, HTN, DM5
PH-Covid19 scoreAge, sex, DM, COPD, immunosuppression, HTN, obesity, CKD4, 9
PhenoAge componentsAlbumin, creatinine, CRP, CA12
PhenoAgeAccel+CAPhenoAgeAccel value, CA12
Quiroz-Juárez et alDM, COPD, immunosuppressive drugs, HTN, CKD, CVD, obesity, presence of other chronic illnesses, sex, state of birth (Mexico), state of residence (Mexico), age, units of viral respiratory diseases (USMER) designation, sector (medical facility), state of treatment (Mexico), days symptoms-treatment, COVID-19 status, COVID-19-related pneumonia, hospitalization status, intubation, ICU6
Wollenstein-Betech et alAge, sex, immunosuppression, CKD, obesity, DM11
Wollenstein-Betech et al (extended model)Age, sex, immunosuppression, CKD, obesity, DM, hospitalization, pneumonia, need for ICU or ventilator11
  • AIDS, acquired immune deficiency syndrome; AST, aspartate aminotransferase; CA, chronological age; CHF, congestive heart failure; CKD, chronic kidney disease; COPD, chronic obstructive pulmonary disease; CRP, C-reactive protein; CT, computed tomography; CVA, cerebrovascular accident; CVD, cardiovascular diseases; DM, diabetes mellitus; hs-CRP, high-sensitivity C-reactive protein; HTN, hypertension; ICU, intensive care unit; LDH, lactate dehydrogenase; MI, myocardial infarction; NLR, neutrophil-to-lymphocyte ratio; PUD, peptic ulcer disease; PVD, peripheral vascular disease; RR, respiratory rate; SpO2, peripheral oxygen saturation; TIA, transient ischemic attack; WBC, white blood cell count.