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Table 1 Characteristics of individuals with febrile jaundice but negative when tested for YFV according to results of ELISA IgM tests for leptospirosis

From: Evidence of human leptospirosis cases in a cohort of febrile patients in Bangui, Central African Republic: a retrospective study, 2012–2015

Characteritics Positive Leptospirosis IgM ELISA test Negative Leptospirosis IgM ELISA test Equivocal Leptospirosis IgM ELISA test P value*
No % No % No %  
Age (years) 0–9 6 14.3 190 43.8 3 14.3 0.07
10–19 13 31.0 92 21.2 8 38.1 0.86
20–29 13 31.0 77 17.7 5 23.8 0.17
30–39 4 9.5 35 8.1 2 9.5 0.35
40–49 2 4.7 27 6.2 2 9.5 0.76
> 50 4 9.5 13 3.0 1 4.8 0.36
Time interval between symptoms and serum sampling (days) < 1 0 0.0 6 1.4 1 4.8 NA
1–4 14 33.3 180 41.5 7 33.3 0.09
5–10 28 66.6 247 56.9 13 61.9 0.26
> 10 0 0.0 1 0.2 0 0.0 NA
Time interval between serum sampling and lab storage (days) < 1 7 16.7 120 27.6 3 14.3 NA
1–4 25 59.5 227 52.3 13 61.9 0.53
5–10 9 21.4 71 16.4 3 14.3 0.34
> 10 1 2.4 16 3.7 2 9.5 0.35
  Total 42 100 434 100 21 100  
  1. *Comparison was done using the nonparametric Mann-Whitney U test between negative and positive Leptospirosis IgM ELISA tests. Statistical significance was assessed at P value < 0.05