Table 2 Geometric mean concentrations and mean fold increases of serotype-specific IgG antibodies pre- and post-PCV13 vaccination

4.44 (3.57–5.51)

8.70 (7.09–10.66)

2.39 (1.89–2.89)

0.44 (0.35–0.56)

0.67 (0.50–0.90)

1.87 (1.49–2.25)

2.11 (1.65–2.69)

4.44 (3.53–5.58)

2.75 (2.07–3.43)

4.38 (3.56–5.38)

7.15 (5.96–8.59)

1.84 (1.54–2.13)

3.49 (2.78–4.38)

7.14 (5.37–9.49)

2.71 (2.00–3.42)

6.58 (5.25–8.26)

16.30 (12.71–20.92)

2.86 (2.26–3.36)

5.08 (4.22–6.12)

6.49 (5.39–7.81)

1.34 (1.21–1.48)

4.07 (3.30–5.02)

8.69 (7.04–10.72)

2.95 (2.46–3.43)

15.46 (12.25–19.51)

28.30 (22.83–35.09)

2.22 (1.76–2.68)

3.30 (2.63–4.15)

9.42 (7.60–11.67)

3.82 (2.87–4.76)

9.01 (7.48–10.85)

16.60 (13.13–20.98)

2.56 (1.68–3.43)

9.24 (7.56–11.31)

17.62 (14.31–21.70)

2.53 (1.83–3.24)

3.85 (3.05–4.86)

11.69 (9.47–14.43)

4.51 (3.27–5.75)

2.96 (2.29–3.85)

3.09 (2.39–4.01)

1.17 (0.95–1.39)