TABLE 1

AGE Episodes Detected in the Study Population During the 5 Surveillance Years and Grouped by Setting and by Cause

ParameterSurveillance Year
2004–20052005–20062006–20072007–20082008–2009
Total no. of children <5 y15 64515 31016 61516 69017 626
AGE, all episodes23571735234420771993
    Rate (per 1000 children)150.66113.32141.08124.45113.07
    OR (95% CI)ReferenceNA0.93 (0.87–0.99)a0.80 (0.75–0.85)a0.72 (0.67–0.77)a
AGE by setting
    Office visits21671628217819381852
        Rate (per 1000 children)138.51106.34131.09116.12105.07
        OR (95% CI)ReferenceNA0.94 (0.88–1.00)0.82 (0.76–0.87)a0.73 (0.68–0.78)a
    ED4230526058
        Rate (per 1000 children)2.681.963.133.593.29
        OR (95% CI)ReferenceNA1.17 (0.76–1.79)1.34 (0.89–2.03)1.23 (0.81–1.86)
    Hospitalizations148771147983
        Rate (per 1000 children)9.465.036.864.734.71
        OR (95% CI)ReferenceNA0.72 (0.56–0.93)a0.50 (0.38–0.66)a0.50 (0.37–0.65)a
AGE by causeb
    RV-negative1075998115102
        Rate (per 1000 children)6.843.855.906.895.79
        OR (95% CI)ReferenceNA0.86 (0.65–1.14)1.01 (0.77–1.32)0.85 (0.64–1.12)
    RV-positive552847931
        Rate (per 1000 children)3.521.832.830.541.76
        OR (95% CI)ReferenceNA0.80 (0.53–1.21)0.15 (0.07–0.32)a0.50 (0.31–0.79)a
    Not tested282021158
        Rate (per 1000 children)1.791.311.260.900.45
        OR (95% CI)ReferenceNA0.71 (0.39–1.28)0.50 (0.26–0.97)a0.25 (0.11–0.58)a
  • a Statistically significant.

  • b Includes ED visits and hospitalizations.