Table 2 Serotype distribution of Streptococcus pneumoniae isolates during the study period
2011 n (%) | 2012 n (%) | 2013 n (%) | 2014 n (%) | 2015 n (%) | p value | |
|---|---|---|---|---|---|---|
Total number of isolates | 18 (4.3) | 58 (13.8) | 40 (9.5) | 71 (16.9) | 233 (55.5) | |
Serotype 19 F | 13 (72.2) | 19 (32.7) | 8 (20) | 18 (25.3) | 38 (16.3) | < 0.001 |
Serotype 6 A/B | 3 (16.6) | 10 (17.2) | 7 (17.5) | 7 (9.9) | 28 (12) | 0.618 |
Serotype 23 F | 1 (5.5) | 9 (15.5) | 3 (7.5) | 12 (16.9) | 24 (10.3) | 0.346 |
Serotype 3 | 0 (0) | 0 (0) | 1 (2.5) | 6 (8.4) | 15 (6.4) | 0.138 |
Serotype 19 A | 0 (0) | 1 (1.7) | 1 (2.5) | 3 (4.2) | 11 (4.7) | 0.708 |
Non-typable | 1 (5.5) | 10 (17.2) | 7 (17.5) | 10 (14) | 54 (23.1) | 0.211 |