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Table 1 Characteristics of cases attended by CORPs from 2006 to 2010

From: Using community-owned resource persons to provide early diagnosis and treatment and estimate malaria burden at community level in north-eastern Tanzania

Year
Variable 2006 2007 2008 2009 2010 Test statistics
Lowland
Number of cases 1701 2986 2795 1803 1300  
Children <5 years (n, %) 376(22.1) 680(22.8) 712(25.5) 566(31.4) 357(27.5) χ² = 39.5, p <0.001
Age in years (median, IQR) 20.7 15.2 12.8 11 11.3  
(6.1-43.9) (5.6-38.4) (4.9-33.1) (4.0-30.7) (4.4-33.0)  
Malaria parasite positive (n, %) 406(23.9) 1052(35.2) 667(23.9) 112(6.2) 86(6.6) χ² = 465.5, p <0.001
Fever
(≥37.5°C, n, %)
476(28.0) 1014(34.0) 858(30.7) 516(28.6) 421(32.4) χ² = 0.26, p = 0.613
GM Pf density (rings/μl, 95%CI) 1980 2367 2518 667 3714 F = 6.1, p < 0.001
(1481–2680) (1973–2853) (2020–3159) (406–1139) (2047–7060)  
Highland
Number of cases 1406 1432 991 755 560  
Children <5 years (n, %) 213(15.1) 249(17.4) 165(16.6) 165(21.9) 142(25.4) χ² = 30.7, p <0.001
Age in years (median, IQR) 21.2 16.6 14.6 15 13.6  
(8.3-40.8) (7.4-39.1) (7.4-32.3) (6.1-31.0) (5.0-31.1)  
Malaria parasite positive (n, %) 137(9.7) 499(34.9) 166(16.8) 44(5.8) 36(6.4) χ² = 49.3, p <0.001
Fever [≥37.5°C, (n, %)] 366(26.0) 456(31.8) 312(31.5) 208(27.6) 139(24.8) χ² = 0.02, p = 0.892
GM Pf density (rings/μl, 95%CI) 957 2721 3740 5583 11629  
(607–1558) (2071–3611) (2391–6000) (2437–13965) (6550–21438)  
  1. % = percent, IQR = interquartile range °C = degree Celsius and 95% CI = 95% confidence intervals.