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Table 3 Incidence rate (IR) of all-cause and AOM-associated antimicrobial prescriptions per 100 person-years, comparing the Vaccine non-eligible cohorts (born 2005–2010, VNEC) to the Vaccine eligible cohorts (born: 2011–2015, VEC). aPrimary care data was only available until December 31st 2015. Therefore fewer person-years at-risk were available for the VEC when considering AOM-associated prescriptions and are as follows; 10,719; 9613; 8508; 7323; 6215 and 5083

From: Impact of the 10-valent pneumococcal conjugate vaccine on antimicrobial prescriptions in young children: a whole population study

Age-groups (months) VNEC VEC
IR (n of prescriptions) Person-years at-risk IR (n of prescriptions) Person-years at-risk
All cause AOM-associated   All cause AOM-associated  
< 6 47.0 (6816) 11.6 (1681) 14,491 39.1 (4338) 7.58 (813) 11,096a
6–11 206 (29,674) 69.1 (9931) 14,378 176 (19,447) 52.5 (5045) 11,024a
12–17 247 (35,226) 72.9 (10,372) 14,233 233 (24,588) 62.2 (5295) 10,566a
18–23 199 (28,008) 49.9 (7309) 14,096 189 (17,876) 46.6 (3411) 9460a
24–29 164 (22,843) 35.0 (4882) 13,965 144 (12,069) 30.3 (1882) 8374a
30–35 125 (17,259) 24.1 (3331) 13,848 112 (7218) 21.1 (1074) 7218a