Pre-PCV7 | Early PCV7 | Late PCV7 | Early PCV13 | Late PCV13 | |
---|---|---|---|---|---|
(1998–1999) | (2001–2005) | (2006–2009) | (2011–2013) | (2014–2018) | |
Total number of patientsa, N | 136 | 734 | 1,409 | 871 | 796 |
Age, mean (SD)b,c,d | 2.84 (4.00) | 4.21 (5.14) | 4.13 (5.14) | 5.18 (5.42) | 5.15 (5.38) |
< 2 years, % | 58.1 | 46.3 | 46.1 | 37.8 | 37.1 |
2–4 years, % | 20.6 | 20.3 | 20.3 | 17.8 | 19.8 |
5–17 years, % | 21.3 | 33.4 | 33.6 | 44.4 | 43.1 |
Male, % | 52.2 | 53.7 | 54.0 | 58.0 | 54.8 |
Region | |||||
Northeast, % | 16.2 | 10.2 | 9.4 | 16.9 | 17.1 |
North Central, % | 30.1 | 21.4 | 22.4 | 23.2 | 21.2 |
South, % | 41.9 | 44.4 | 48.7 | 35.9 | 41.3 |
West, % | 4.4 | 22.8 | 18.9 | 20.3 | 19.2 |
Missing/unknown, % | 7.4 | 1.2 | 0.6 | 3.7 | 1.1 |
Urbanicity | |||||
Urban, % | 65.4 | 78.7 | 80.6 | 79.2 | 84.8 |
Rural, % | 27.2 | 20.0 | 18.8 | 17.1 | 11.6 |
Missing, % | 7.4 | 1.2 | 0.6 | 3.7 | 3.6 |
Health plan types | |||||
HMO/EPO, % | 9.6 | 22.2 | 16.9 | 16.3 | 9.0 |
PPO/POS, % | 52.9 | 68.8 | 74.8 | 68.9 | 65.2 |
HDHP/CDHP, % | 0.0 | 2.0 | 2.2 | 6.9 | 19.1 |
FFS, % | 37.5 | 4.9 | 2.1 | 1.0 | 1.8 |
Missing, % | 0.0 | 2.0 | 4.0 | 6.9 | 4.9 |