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. Author manuscript; available in PMC: 2010 Jul 1.
Published in final edited form as: Pediatrics. 2009 Jul;124(1):e1–11. doi: 10.1542/peds.2008-3099

TABLE 3.

Proportions of Children With Pneumococcal Colonization, Stratified According to Age, Sampling Year, and Presence of Upper RTI

Age Group % (n)
2001 2004 2007
RTI
    <6 mo 22.2 (2) 36.4 (4) 40.9 (9)
    6 to <24 mo 42.4 (36) 33.0 (34) 39.8 (76)
    24 to <36 mo 60.6 (20) 61.9 (26) 63.8 (44)
    ≥36 mo 41.5 (27) 19.6 (21) 27.1 (45)
No RTI
    <6 mo 8.3 (4) 18.4 (7) 25.9 (14)
    6 to <24 mo 23.6 (39) 22.7 (55) 26.6 (63)
    24 to <36 mo 17.1 (12) 26.5 (26) 32.8 (20)
    ≥36 mo 26.2 (50) 19.8 (65) 24.4 (42)
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