Table 2. Overall influenza and pneumococcal vaccine coverage rates in elderly subjects or in those with chronic medical disease hospitalized in a tertiary hospital.

	Influenza vaccine		Pneumococcal vaccine
	≥19 years	≥65 years	19-64 years	≥65 years
Vaccine coverage in study populationa (regardless of comorbidities)	281/491 (57.2%)	179/243 (73.7%)	–b	53/243 (21.8%)
Vaccine coverage in patients with underlying comorbidities	201/353 (56.9%)	124/165 (75.2%)	23/188 (12.2%)	36/165 (21.8%)

^aSubjects aged ≥50 years or aged ≥19 years with underlying medical conditions (e.g., diabetes, malignancy, chronic cardiovascular diseases [except isolated hypertension], chronic hepatic disease, chronic pulmonary disease, organ/bone marrow transplantation, human immunodeficiency virus infection, or prolonged use of high-dose corticosteroids or immunosuppressive therapy).

^bData is not applicable because the analysis of pneumococcal vaccine coverage rate among subjects aged 19-64 years includes only patients with comorbidities.