1.Edelsberg, J et al. (2009) Trends in US hospital admissions for skin and soft tissue infections. Emerging Infectious Diseases 15, 1516–1518.
2.Zervos, MJ et al. (2012) Epidemiology and outcomes of complicated skin and soft tissue infections in hospitalized patients. Journal of Clinical Microbiology 50, 238–245.
3.Hersh, AL et al. (2008) National trends in ambulatory visits and antibiotic prescribing for skin and soft-tissue infections. Archives of Internal Medicine 168, 1585–1591.
4.Pallin, DJ et al. (2008) Increased US emergency department visits for skin and soft tissue infections, and changes in antibiotic choices, during the emergence of community-associated methicillin-resistant Staphylococcus aureus. Annals of Emergency Medicine 51, 291–298.
5.Pallin, DJ et al. (2009) Epidemiology of dermatitis and skin infections in United States physicians’ offices, 1993–2005. Clinical Infectious Diseases 49, 901–907.
6.Jeng, A et al. (2010) The role of beta-hemolytic streptococci in causing diffuse, nonculturable cellulitis: a prospective investigation. Medicine 89, 217–226.
7.Eriksson, B et al. (1996) Erysipelas: clinical and bacteriologic spectrum and serological aspects. Clinical Infectious Diseases 23, 1091–1098.
8.Stevens, DL et al. (2014) Practice guidelines for the diagnosis and management of skin and soft tissue infections: 2014 update by the infectious diseases society of America. Clinical Infectious Diseases 59, 147–159.
9.Pallin, DJ et al. (2013) Clinical trial: comparative effectiveness of cephalexin plus trimethoprim-sulfamethoxazole versus cephalexin alone for treatment of uncomplicated cellulitis: a randomized controlled trial. Clinical Infectious Diseases 56, 1754–1762.
10.Moran, GJ et al. (2017) Effect of cephalexin plus trimethoprim-sulfamethoxazole vs cephalexin alone on clinical cure of uncomplicated cellulitis: a randomized clinical trial. Journal of the American Medical Association 317, 2088–2096.
11.Pallin, DJ, Camargo, CA Jr and Schuur, JD (2014) Skin infections and antibiotic stewardship: analysis of emergency department prescribing practices, 2007–2010. The Western Journal of Emergency Medicine 15, 282–289.
12.Kilburn, SA et al. (2010) Interventions for cellulitis and erysipelas. The Cochrane Database of Systematic Reviews 16, CD004299.
13.Obaitan, I et al. (2016) Failure of antibiotics in cellulitis trials: a systematic review and meta-analysis. American Journal of Emergency Medicine 34, 1645–1652.
14.Haran, JP et al. (2015) Treatment of bacterial skin infections in ED observation units: factors influencing prescribing practice. American Journal of Emergency Medicine 33, 1780–1785.
15.Haran, JP et al. (2017) Elderly patients are at increased risk for treatment failure in outpatient management of purulent skin infections. American Journal of Emergency Medicine 35, 249–254.
16.Kamath, RS et al. (2018) Guidelines vs actual management of skin and soft tissue infections in the emergency department. Open Forum Infectious Diseases 5, ofx188.
17.Kaji, AH, Schriger, D and Green, S (2014) Looking through the retrospectoscope: reducing bias in emergency medicine chart review studies. Annals of Emergency Medicine 64, 292–298.
18.Charlson, ME et al. (1987) A new method of classifying prognostic comorbidities in longitudinal studies: development and validation. Journal of Chronic Diseases 40, 373–383.
19.Quan, H et al. (2011) Updating and validating the Charlson comorbidity index and score for risk adjustment in hospital discharge abstracts using data from 6 countries. American Journal of Epidemiology 173, 676–682.
20.Jacobs, JM et al. (2012) Changing profile of health and function from age 70 to 85 years. Gerontology 58, 313–321.
21.Caterino, JM, Valasek, T and Werman, HA (2010) Identification of an age cutoff for increased mortality in patients with elderly trauma. The American Journal of Emergency Medicine 28, 151–158.
22.Miller, LG et al. (2015) Clindamycin versus trimethoprim-sulfamethoxazole for uncomplicated skin infections. The New England Journal of Medicine 372, 1093–1103.
23.Murray, H, Stiell, I and Wells, G (2005) Treatment failure in emergency department patients with cellulitis. Canadian Journal of Emergency Medicine 7, 228–234.
24.Peterson, D et al. (2014) Predictors of failure of empiric outpatient antibiotic therapy in emergency department patients with uncomplicated cellulitis. Academic Emergency Medicine 21, 526–531.
25.Quirke, M et al. (2016) The management of cellulitis in emergency departments: antibiotic-prescribing practices and adherence to practice guidelines in Ireland. European Journal of Emergency Medicine 23, 173–178.
26.Koerner, R and Johnson, AP (2011) Changes in the classification and management of skin and soft tissue infections. Journal of Antimicrobial Chemotherapy 66, 232–234.
27.Fleming-Dutra, KE et al. (2016) Prevalence of inappropriate antibiotic prescriptions among US ambulatory care visits, 2010–2011. Journal of the American Medical Association 315, 1864–1873.
28.Prevention, C (2011) Office-related antibiotic prescribing for persons aged ⩽14 years – United States, 1993–1994 to 2007–2008. Morbidity and Mortality Weekly Report 60, 1153–1156.
29.Hersh, AL et al. (2016) Frequency of first-line antibiotic selection among US ambulatory care visits for otitis media, sinusitis, and pharyngitis. JAMA Internal Medicine 176, 1870–1872.
30.Fine, MJ et al. (1997) A prediction rule to identify low-risk patients with community acquired pneumonia. The New England Journal of Medicine 336, 243–250.
31.Lim, WS et al. (2003) Defining community acquired pneumonia severity on presentation to hospital: an international derivation and validation study. Thorax 58, 377–382.
32.Ben-Yehuda, A and Weksler, ME (1992) Host resistance and the immune system. Clinics in Geriatric Medicine 8, 701–711.
33.Laube, S and Farrell, AM (2002) Bacterial skin infections in the elderly: diagnosis and treatment. Drugs & Aging 19, 331–342.
34.Weng, QY et al. (2017) Costs and consequences associated with misdiagnosed lower extremity cellulitis. JAMA Dermatology 153, 141–146.