Table III.

Relative risk of wintertime gastrointestinal infections in children vaccinated against rotaviruses

	P-value	HR (95% CI)	Effectiveness (95% CI)
In the first year of life	NS	0.67 (0.34–1.32)	32.9 (–32.2–65.9)
In the first 2 years of life	0.022	0.57 (0.36–0.92)	42.5 (7.5–64.3)
In the first 3 years of life	0.012	0.56 (0.36–0.88)	43.7 (11.8–64.0)
In the first 4 years of life	0.006	0.55 (0.35–0.84)	45.5 (16.1–64.5)
In the first 5 years of life	0.007	0.56 (0.36–0.85)	44.3 (14.8–63.5)

Cox proportional hazards regression model: HR – hazard ratio, CI – confidence interval.