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Table 4 Syphilis yield (%)a in tested applicants ≥15 years of age compared to WHO syphilis seropositivity among antenatal care attendees, by country of nationality (reference year 2015 unless otherwise stated)

From: Infectious disease testing of UK-bound refugees: a population-based, cross-sectional study

Country of nationality

Number screened (n)

Number of cases detected (%)

Yield in tested cohort, % (95% CI)

Syphilis seropositivity among antenatal care attendees, 2015, % [17]b

Afghanistan

60

0

0.0

0.6

Democratic Republic of Congo

570

2 (0.35)

0.35 (0.09–1.39)

1.9

Eritrea

55

0

0.0

0.6

Ethiopia

277

3 (1.08)

1.08 (0.35–3.31)

1.1

Iran

15

0

0.0

0.0g

Iraq

538

1 (0.19)

0.19 (0.03–1.31)

0.0h

Palestine

28

0

0.0

N/A

Somalia

554

0

0.0

5.9

South Sudan

39

1 (2.56)

2.56 (0.35–16.44)

5.6i

Sudan

360

12 (3.33)

3.33 (1.90–5.78)

2.3

Syria

7100

4 (0.06)

0.06 (0.02–0.15)

N/A

Uganda

1

0

0.0

6.4

Other AFRc

8

0

0.0

 

Other EMRd

9

0

0.0

 

Other EURe

5

0

0.0

 

Other WPRf

4

0

0.0

 

Total

9623

23 (0.24)

0.24 (0.15–0.36)

 
  1. aSyphilis yield was calculated on adults aged 15 years and older, for ethical reasons and for ease of comparison to reference ranges from WHO
  2. bNo confidence intervals provided for WHO data
  3. cOther AFR included Burundi, Congo, Rwanda, Cameroon, Nigeria
  4. dOther EMR included Jordan, Lebanon, Djibouti, Yemen, Pakistan
  5. eOther EUR included UK, St Helena, Switzerland, Turkey
  6. fOther WPR included Solomon Islands, China, Taiwan or applicants with no nationality specified
  7. g2011 data
  8. h2010 data
  9. i2013 data
  10. CI confidence interval