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. 2021 Oct 28;9(11):2245. doi: 10.3390/microorganisms9112245

Table 1.

Pneumococcal serotypes causing pneumonia in young and older adults. Data show the frequency of each serotype in the age group. Only serotypes accounting for ≥10 episodes are shown. Statistically significant results are highlighted in bold. NS: not statistically significant.

Serotype Vaccine Type 18–64 (%)
n = 336
>64 (%)
n = 559
p-Value
PCV13 PCV15 PCV20 PPV23
3 X X X X 17.0 17.9 NS
8 X X 9.8 4.8 0.006
11A X X 6.8 6.6 NS
12F X X 5.1 2.5 0.043
19F X X X X 5.1 1.4 0.002
19A X X X X 4.8 8.2 0.048
7F X X X X 4.8 1.4 0.005
22F X X X 3.9 5.2 NS
23A 3.6 3.6 NS
1 X X X X 3.0 0.9 NS
9N X 2.7 3.8 NS
6C 2.7 2.5 NS
14 X X X X 2.4 3.8 NS
4 X X X X 2.4 0.4 0.014
31 2.1 4.3 NS
15A 2.1 3.0 NS
10A X X 1.8 1.6 NS
33F X X X 1.8 1.3 NS
35B 1.5 3.0 NS
23B 1.2 2.7 NS
35F 1.19 1.43 NS
16F 0.9 3.4 0.033
9V X X X X 0.9 3.0 NS
24F 0.6 3.0 0.026
Other 12.2 11.8 NS