Table 2.

Geometric mean immunoglobulin levels with 95% confidence intervals

	Injected vaccine		Inhaled vaccine
	Before	After 1 month	Before	After 1 month
Serum (μg/ml)
Type 1 IgG	0.98 (0.53–1.82)	1.95 (1.2–3.2)	0.6 (0.38–1.17)	0.63 (0.36–1.1)
Type 1 IgA	0.88 (0.55–1.39)	5.4 (2.6–11.1)	0.69 (0.5–0.96)	0.67 (0.4–1.2)
Type 9V IgG	0.35 (0.1–1.3)	1.3 (0.7–2.4)	0.2 (0.07–0.6)	0.2 (0.06–0.5)
Type 9V IgA	0.5 (0.26–0.94)	0.97 (0.5–1.7)	0.35 (0.15–0.78)	0.2 (0.06–0.5)
Type 14 IgG	2.75 (1.5–5.0)	8.7 (6.3–12.0)	1.44 (0.56–3.67)	2.0 (0.9–4.0)
Type 14 IgA	0.32 (0.16–0.64)	0.74 (0.4–1.4)	0.23 (0.12–0.42)	0.17 (0.08–0.37)
BAL (ng/ml)
Type 1 IgG	5.0 (3.2–7.9)	9.8 (5.9–16.3)	3.9 (2.3–7.0)	4.4 (2.3–8.4)
Type 1 IgA	28.6 (21.8–37.4)	35.9 (24.1–53.6)	27.6 (18.0–41.0)	25.5 (16.9–38.5)
Type 9V IgG	2.7 (1.4–5.5)	5.6 (3.3–9.4)	1.4 (0.7–2.6)	0.8 (0.4–1.7)
Type 9V IgA	22.7 (15.2–34)	20.1 (13.8–32)	17.5 (8.3–37.1)	11.9 (5.4–26.3)
Type 14 IgG	6.2 (2.5–15.4)	23.6 (10.8–51.3)	3.4 (1.6–7.2)	4.2 (1.4–12.3)
Type 14 IgA	8.2 (5.2–12.6)	9.6 (6.4–14.5)	5.6 (3.7–8.7)	4.3 (2.6–7.1)