[1] Wang DW, Hu B, Hu C, et al. Clinical Characteristics of 138 Hospitalized Patients With 2019 Novel Coronavirus-Infected Pneumonia in Wuhan, China. JAMA, 2020; 323, 1061−9.
[2] Wang BL, Li RB, Lu Z, et al. Does comorbidity increase the risk of patients with COVID-19: evidence from meta-analysis. Aging, 2020; 12, 6049−57.
[3] Guan WJ, Liang WH, Zhao Y, et al. Comorbidity and its impact on 1590 patients with COVID-19 in China: a nationwide analysis. Eur Respir J, 2020; 55, 2000547.
[4] Ye CY, Zhang SY, Zhang XL, et al. Impact of comorbidities on patients with COVID-19: A large retrospective study in Zhejiang, China. J Med Virol, 2020; 92, 2821-9.
[5] Nickel CH, Rueegg M, Pargger H, et al. Age, comorbidity, frailty status: effects on disposition and resource allocation during the COVID-19 pandemic. Swiss Med Wkly, 2020; 150, w20269.
[6] Wei PF. Diagnosis and Treatment Protocol for Novel Coronavirus Pneumonia (Trial Version 7). Diagnosis and Treatment Protocol for Novel Coronavirus Pneumonia (Trial Version 7). Chin Med J, 2020; 133, 1087−95.
[7] He Y, Pan A, Wang YY, et al. Prevalence of overweight and obesity in 15.8 million men aged 15-49 years in rural China from 2010 to 2014. Sci Rep, 2017; 7, 5012.
[8] Yang J, Zheng Y, Gou X, et al. Prevalence of comorbidities and its effects in patients infected with SARS-CoV-2: a systematic review and meta-analysis. Int J Infect Dis, 2020; 94, 91−5.
[9] Emami A, Javanmardi F, Pirbonyeh N, et al. Prevalence of underlying diseases in hospitalized patients with COVID-19: a systematic review and meta-analysis. Arch Acad Emerg Med, 2020; 8, e35.
[10] Tadolini M, Codecasa LR, García-García JM, et al. Active tuberculosis, sequelae and COVID-19 co-infection: first cohort of 49 cases. Eur Respir J, 2020; 96, 2001398.
[11] Chen L, Huang S, Yang J, et al. Clinical characteristics in patients with SARS-CoV-2/HBV co-infection. J Viral Hepat, 2020; 27, 1504-7.
[12] Lippi G, South AM, Henry BM. Electrolyte imbalances in patients with severe coronavirus disease 2019 (COVID-19). Ann Clin Biochem: Int J Lab Med, 2020; 57, 262−5.
[13] Huang CL, Wang YM, Li XW, et al. Clinical features of patients infected with 2019 novel coronavirus in Wuhan, China. Lancet, 2020; 395, 497−506.
[14] Rismanbaf A, Zarei S. Liver and Kidney Injuries in COVID-19 and Their Effects on Drug Therapy; a Letter to Editor. Arch Acad Emerg Med, 2020; 8, e17.
[15] Zaim S, Chong JH, Sankaranarayanan V, et al. COVID-19 and Multiorgan Response. Curr Probl Cardiol, 2020; 45, 100618.
[16] Madjid M, Safavi-Naeini P, Solomon SD, et al. Potential Effects of Coronaviruses on the Cardiovascular System: A Review. JAMA Cardiol, 2020; 5, 831−40.
[17] Zhang JQ, Wu J, Sun XH, et al. Association of hypertension with the severity and fatality of SARS-CoV-2 infection: A meta-analysis. Epidemiol Infect, 2020; 148, e106.
[18] Sardu C, Gargiulo G, Esposito G, et al. Impact of diabetes mellitus on clinical outcomes in patients affected by Covid-19. Cardiovasc Diabetol, 2020; 19, 76.
[19] Wu ZH, Tang Y, Cheng Q. Diabetes increases the mortality of patients with COVID-19: a meta-analysis. Acta Diabetol, 2020; Epub ahead of print.
[20] Mantovani A, Byrne CD, Zheng MH, et al. Diabetes as a risk factor for greater COVID-19 severity and in-hospital death: A meta-analysis of observational studies. Nutr Metab Cardiovasc Dis, 2020; 30, 1236−48.
[21] Kuno T, Takahashi M, Obata R, et al. Cardiovascular comorbidities, cardiac injury, and prognosis of COVID-19 in New York City. Am Heart J, 2020; 226, 24−5.
[22] Lorente-Ros A, Monteagudo Ruiz JM, Rincón LM, et al. Myocardial injury determination improves risk stratification and predicts mortality in COVID-19 patients. Cardiol J, 2020; 27, 489−96.
[23] Targher G, Mantovani A, Byrne CD, et al. Risk of severe illness from COVID-19 in patients with metabolic dysfunction-associated fatty liver disease and increased fibrosis scores. Gut, 2020; 69, 1545−7.
[24] Ji D, Qin EQ, Xu J, et al. Non-alcoholic fatty liver diseases in patients with COVID-19: A retrospective study. J Hepatol, 2020; 73, 451−3.
[25] Chen D, Li XK, Song QF, et al. Assessment of Hypokalemia and Clinical Characteristics in Patients With Coronavirus Disease 2019 in Wenzhou, China. JAMA Netw Open, 2020; 3, e2011122.
[26] Singh AK, Gillies CL, Singh R, et al. Prevalence of comorbidities and their association with mortality in patients with COVID-19: A Systematic Review and Meta-analysis. Diabetes Obes Metab, 2020; 22, 1919-24.
[27] Cutler T, Scales D, Levine W, et al. A Novel Viral Epidemic Collides with an Ancient Scourge: COVID-19 Associated with Tuberculosis. Am J Respir Crit Care Med, 2020; 202, 748−9.
[28] Kumar R, Bhattacharya B, Meena V, et al. COVID-19 and TB co-infection - 'Finishing touch' in perfect recipe to 'severity' or 'death'. J Infect, 2020; 81, e39−e40.
[29] Zhang C, Shi L, Wang FS. Liver injury in COVID-19: management and challenges. Lancet Gastroenterol Hepatol, 2020; 5, 428−30.
[30] Xu Z, Shi L, Wang YJ, et al. Pathological findings of COVID-19 associated with acute respiratory distress syndrome. Lancet Respir Med, 2020; 8, 420−2.
[31] Cheng YC, Luo R, Wang K, et al. Kidney disease is associated with in-hospital death of patients with COVID-19. Kidney Intl, 2020; 97, 829−38.
[32] Docherty AB, Harrison EM, Green CA, et al. Features of 20 133 UK patients in hospital with covid-19 using the ISARIC WHO Clinical Characterisation Protocol: prospective observational cohort study. BMJ, 2020; 369, m1985.