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Table 2 febrile patients and malaria infection according to age and site

From: Increase in malaria prevalence and age of at risk population in different areas of Gabon

Location Year < 5 years   > 5 years   OR for malaria in 5–10 years p value
   n IFα, % n IFα, %   
Oyem 2005 632 47.8   ND*   
Oyem 2008 567 37.0 122 47.5 1.54 [1.04-2.28] 0.02
Oyem 2011 2,773 38.7 1201 56.3 2.03 [1.02-4.03] 0.05
Libreville 2005 1,347 32.1 427 14.7 0.37 [0.27-0.49] <0.01
Libreville 2008 3,630 13.0 1054 23.0 2.00 [1.68-2.37] <0.01
Libreville 2011 351 17.9 126 41.3 3.21 [2.06-5.02] <0.01
Melen 2005 1,813 33.9 496 43.7 1.51 [1.22-1.83] <0.01
Melen 2011 1,008 25.4 450 44.4 2.35 [1.86-2.97] <0.01
Pog 2005 557 2.3 2 ND**   
Pog 2011 214 3.7 61 16.4 5.05 [1.9-13.44] <0.01
Total   11,231 3062     
  1. αIF: infected patients.
  2. * no patients above 5 years.
  3. **only two patients had more than 5 years.