Skip to main content

Table 1 Cohort construction

From: Clinical and economic burden of pneumococcal disease in US adults aged 19–64 years with chronic or immunocompromising diseases: an observational database study

Criteria Number of unique adults  
2012 2013 2014 Total
Aged 19–64 years 33,431,239 27,591,388 29,913,349 50,807,486
Had continuous health plan enrollment (no gap of > 45 days) for at least one year (365 days) before January 1st and at least one day since January 1st 24,402,729 18,802,142 20,338,835 35,696,718