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. Author manuscript; available in PMC: 2014 Aug 15.
Published in final edited form as: Vaccine. 2012 Jun 16;30(34):5063–5066. doi: 10.1016/j.vaccine.2012.06.003

Table 1.

12 Month/delivery geometric mean ratios of antibody titers and seroprotection at delivery vs. 12 months post-delivery by pneumococcal serotype.

Percent of mothers with titers >0.35 mcg/mL
12 month/delivery geometric mean ratios
Delivery
12 months post-delivery
Serotype 23vPPS vaccinees Controls P value 23vPPS Control P value 23vPPS Control P value
4 0.67 1.76 0.0003 86.4 30.0 <0.0001 88.3 55.0 <0.0001
6B 0.80 2.16 <0.0001 91.5 61.7 0.0001 95.0 90.0 0.2985
9V 0.77 1.80 <0.0001 96.6 71.7 0.0002 96.7 93.3 0.4022
14 0.72 1.74 <0.0001 93.2 66.7 0.0003 90.0 85.0 0.4076
19F 0.58 1.44 0.0001 91.7 40.0 <0.0001 85.0 53.3 0.0002
18C 0.93 2.18 <0.0001 88.3 51.7 <0.0001 86.7 73.3 0.0679
23F 0.82 2.28 <0.0001 90.0 65.0 0.001 95.0 78.3 0.0072
1 1.32 2.25 0.0162 100.0 96.7 0.1538 100.0 100.0 N/A
5 1.10 2.47 <0.0001 100.0 85.0 0.0018 98.3 95.0 0.3091
Mean GMR 0.83 1.98 <0.0001

Abbreviations: 23vPPS, 23-valent pneumococcal polysaccharide; GMR, geometric mean ratio.