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Table 1 Prevalence (% positive), 95% confidence intervals, and MFI values of IgG responses to rPvCSP-c in sera typed VK210 and VK247 vivax malaria patients and healthy individuals

From: Serological responses to a soluble recombinant chimeric Plasmodium vivax circumsporozoite protein in VK210 and VK247 population

Type group No. of patients samples (n) 95% CI (%)b MFI
Positive Negative Total (%)a
VK210 75 31 106 (70.8) 61.5–78.6 5883
VK247 8 8 8 (100) 67.6.1–100 11198
Total 83 31 114 (72.8) 64.0–80.1 6256
Type group No. of healthy samples ( n ) 95% CI (%) d MFI
Positive Negative Total (%) c
Total 3 77 80 (3.8) 89.6–98.7 989
  1. aSensitivity: % of Positive in patient samples.
  2. bConfidence intervals.
  3. cSpecificity: % of Negative in healthy samples.
  4. dDifferences in the total IgG prevalence for each antigen between vivax patients and healthy individuals were calculated with Student’s-t test. P < 0.05 considered as statistically significant.
  5. MFI mean fluorescence intensity.