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Table 6 Inpatient CFR and 95% CIs by age group for commercially and Medicaid- insured children aged < 18 years with ACP, by age group (1998–2018)

From: Incidence of non-invasive all-cause pneumonia in children in the United States before and after the introduction of pneumococcal conjugate vaccines: a retrospective claims database analysis

 

Commercially insured

Medicaid

Study Period

Ages 0–4 years

Ages 5–17 years

Ages 0–4 years

Ages 5–17 years

Pre-PCV7

(1998–1999)

0.30%

(0.14%; 0.65%)

0.89%

(0.49%; 1.64%)

─

─

Early PCV7

(2001–2005)

0.36%

(0.28%; 0.45%)

0.63%

(0.49%; 0.79%)

0.46%

(0.40%; 0.54%)

0.78%

(0.64%; 0.95%)

Late PCV7

(2006–2009)

0.42%

(0.36%; 0.50%)

0.52%

(0.43%; 0.63%)

0.63%

(0.55%; 0.72%)

0.67%

(0.53%; 0.85%)

Early PCV13

(2011–2013)

0.35%

(0.29%; 0.43%)

0.46%

(0.36%; 0.58%)

0.52%

(0.44%; 0.63%)

0.72%

(0.56%; 0.92%)

Late PCV13

(2014–2018)

0.29%

(0.20%; 0.42%)

0.51%

(0.36%; 0.72%)

0.53%

(0.46%; 0.62%)

0.60%

(0.48%; 0.74%)

  1. The 95% confidence intervals were calculated using the Wilson score method [32]
  2. Abbreviations: ACP All-cause pneumonia, CI Confidence interval, CFR Case fatality rate, PCV Pneumococcal conjugate vaccine