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Table 3 The distribution of area under curve by selected children characteristics in the Nigeria 2015 MIS

From: On the discriminatory and predictive accuracy of the RDT against the microscopy in the diagnosis of malaria among under-five children in Nigeria

Characteristics AUC (95% CI) X2 p = value
Children age
 0–6 months 87.9 (73.5–100) 6.63 0.04*
 7–23 months 83.4 (81.3–85.5)   
 24–59 months 80.4 (79.2–81.7)   
Sex
 Male 81.2 (79.7–82.6) 1.02 0.31
 Female 82.2 (80.7–83.7)   
Zone
 North Central 83.2 (81.1–85.2) 92.13 0.00*
 North East 80.5 (78.0–83.0)   
 North West 74.2 (72.0–76.3)   
 South East 87.3 (84.2–90.4)   
 South South 82.5 (78.9-86.0)   
 South West 89.2 (86.6–91.8)   
Location
 Urban 85.0 (82.5–87.5) 21.98 0.00*
 Rural 78.3 (77.0–79.6)   
Mother education
 Education 76.3 (74.6–77.9) 38.03 0.00*
 Primary 81.9 (79.3–84.5)   
 Secondary 84.0 (81.6–86.4)   
 Higher 90.6 (82.5–98.5)   
Wealth quintile
 Poorest 72.3 (69.8–74.8) 61.93 0.00*
 Poorer 75.6 (73.4–77.9)   
 Middle 81.8 (79.6–83.9)   
 Richer 80.8 (77.7–83.9)   
 Richest 89.3 (84.7–93.9)   
Building materials
 Totally improved 85.2 (83.4–86.9) 58.89 0.00*
 Partially improved 80.1 (78.5–81.8)   
 Nothing improved 72.8 (70.1–75.5)   
Had fever recently**
 No 84.6 (83.2–86.1) 46.61 0.00*
 Yes 77.2 (75.7–78.8)   
Anaemia level
 Severe 68.2 (62.0–74.5) 32.25 0.00*
 Moderate 76.5 (74.8–78.2)   
 Mild 80.2 (77.8–82.6)   
 Not anaemic 83.5 (80.9–86.1)   
 Total 81.7 (80.6–82.7)   
  1. * Significant at 5%
  2. ** Within 2 weeks preceding the survey Significant at 5% Chi square test