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Volume 20, Number 4—April 2014

Research

Rotavirus Surveillance in Urban and Rural Areas of Niger, April 2010–March 2012

Anne-Laure PageComments to Author , Viviane Jusot, Abdoul-Aziz Mamaty, Lagare Adamou, Jérôme Kaplon, Pierre Pothier, Ali Djibo, Mahamane L. Manzo, Brahima Toure, Céline Langendorf, Jean-Marc Collard, and Rebecca F. Grais
Author affiliations: Epicentre, Paris, France (A.-L. Page, C. Langendorf, R.F. Grais); Epicentre, Niamey, Niger (V. Jusot, A.-A. Mamaty, B. Toure); Centre de Recherche Médicale et Sanitaire (CERMES), Niamey (L. Adamou, J.-M. Collard); University Hospital of Dijon, Dijon, France (J. Kaplon, P. Pothier); Ministry of Health, Niamey (A. Djibo, M.L. Manzo); Niamey University, Niamey (A. Djibo)

Main Article

Table 4

Age and clinical characteristics of study participants in a 2-year rotavirus surveillance study in urban and rural areas of Niger, April 2010–March 2012*

Patient variable All participants, April 2010–March 2012, N = 9,747
RV-positive participants, n = 2,982
RV negative RV positive p value First year† Second year‡ p value
Age, mo, mean (± SD) 11.8 (6.9) 8.8 (4.4) 0.0001 9.1 (4.2) 8.4 (3.9) 0.0001
No. stools in 24-h, mean (± SD) 6.1 (1.7) 6.4 (1.8) 0.0001 6.4 (1.9) 6.4 (1.7) 0.76
Vomiting present, % (95% CI) 60.0 (58.9–61.2) 82.3 (80.9–83.7) <0.001 81.8 (80.0–83.6) 83.0 (81.0–85.1) 0.37
No. vomiting episodes in 24-h, mean (± SD) 3.8 (1.9) 4.5 (2.8) 0.0001 4.6 (2.2) 4.4 (3.5) 0.012
Severe dehydration present, % (95% CI) 22.0 (21.0–22.9) 16.5 (15.1–17.8) <0.001 17.2 (15.4–18.9) 15.5 (13.6–17.5) 0.23
Fever present, % (95% CI) 24.4 (23.4–25.5) 23.7 (22.1–25.2) 0.2 25.9 (23.9–28.0) 20.6 (18.4–22.8) 0.001
Vesikari score, mean (± SD) 12.1 (2.7) 12.9 (2.2) 0.0001 13.0 (2.2) 12.9 (2.1) 0.057
Hospitalized, % (95% CI) 28.3 (27.2–29.3) 20.8 (19.4–22.2) <0.001 22.9 (20.9–24.9) 18.5 (16.4–20.7) 0.003
Died, % (95% CI) 3.3 (2.8–3.7) 1.1 (0.8–1.5) <0.001 1.3 (0.8–1.9) 0.9 (0.4–1.4) 0.2

*RV, rotavirus.
†April 2010–March 2011.
‡April 2011–March 2012.
Vesikari score >11 indicates severe diarrhea.

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