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Table 4 Adjusted odds ratio of the association between submicroscopic P. falciparum infection and fever stratified by season

From: Submicroscopic malaria infection is not associated with fever in cross-sectional studies in Malawi

Season Fevera Objective feverb
Fever/No fever ORc (95% CI) Fever/No fever OR (95% CI)
Rainy
 Submicroscopic 73/683 1.20 (0.91–1.59) 11/740 1.12 (0.58–2.16)
 No parasitaemia 458/5225 1.00 (Ref) 64/5584 1.00 (Ref)
Dry
 Submicroscopic 23/629 0.52 (0.33–0.82) 5/647 0.55 (0.22–1.38)
 No parasitaemia 478/6670 1.00 (Ref) 84/7031 1.00 (Ref)
  1. Mixed effect logistic regression adjusted for clustering within household and EA, age and district
  2. OR: odds ratio
  3. 95% CI: 95% confidence interval
  4. aFever: At least one of these 3: reported fever in the past 2 weeks, reported fever in the past 48 h and temperature ≥ 37.5 °C measured at the time of the interview and specimen collection
  5. bObjective fever: defined as axillary temperature of ≥ 37.5 °C