Review Article
Prevalence of Syphilis among Pregnant Women in Sub-Saharan Africa: A Systematic Review and Meta-Analysis
Table 2
Subgroup meta-analysis of syphilis prevalence in sub-Saharan Africa from 1999 to 2018.
| | Categories | Subgroup | No. of studies included | Pre. (%) (95% CI | I2 |
| | Region | East Africa | 21 | 3.25(2.24-4.25) | 98.4 | | West Africa | 13 | 1.86(1.39-2.32) | 96.5 | | Central Africa | 5 | 2.85(1.02-4.68) | 99.4 | | Southern Africa | 5 | 3.35(2.04-5.09) | 96.2 |
| | Year of study | 1999-2003 | 4 | 3.86(0.36-7.36) | 97.0 | | 2004-2008 | 11 | 4.05(2.18-5.91) | 99.2 | | 2009-2013 | 10 | 2.07(1.18-2.97) | 95.9 | | 2014-2018 | 19 | 2.47(2.38-3.35) | 97.8 |
| | Serologic tests | NTT | 16 | 3.77 (2.83-4.71) | 98.2 | | NTT & TT | 16 | 2.23 ( 1.77-2.68) | 96.9 | | TT | 3 | 0.63(0.18-1.43) | 75.3 | | POT | 7 | 2.33 (0.93-3.72) | 99.0 | | POT & TT | 2 | 3.91(1.66-6.16) | 98.9 |
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NB: TT=treponemal test, NTT= nontreponemal test, POT= point of care test, CI = confidence interval.
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