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Table 2 Subjects with opsonic titer < 8 pre- and post-vaccination

From: The effect of age on the response to the pneumococcal polysaccharide vaccine

Serotype

Pre-vaccination Opsonic titer<8

Post-vaccination Opsonic titer<8

 

Adult (N = 24) n/(%)

Elderly (N = 33) n/(%)

Adult (N = 24) n/(%)

Elderly (N = 33) n/(%)

4

17 (70.8%)

27 (81.8%)

1 (4.2%)

10 (30.3%)

6B

7 (29.2%)

11 (33.3%)

0 (0.0%)

0 (0.0%)

9V

7 (29.2%)

11 (33.3%)

1 (4.2%)

1 (3.0%)

14a

7 (29.2%)

7 (21.2%)

0 (0.0%)

2 (6.1%)

18C

4 (16.7%)

8 (24.2%)

0 (0.0%)

0 (0.0%)

19A

11 (45.8%)

17 (51.5%)

0 (0.0%)

4 (12.1%)

19F

12 (50.0%)

14 (42.4%)

0 (0.0%)

0 (0.0%)

23F

3 (12.5%)

7 (21.2%)

0 (0.0%)

0 (0.0%)

6A

12 (50.0%)

21 (63.6%)

1 (4.2%)

7 (21.2%)

  1. a For Pn 14 OPKA was done in a limited patients due to lack of sera {Adults (N = 10), Elderly (N = 20)}.