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Table 2 Pair-wise correlation between the prevalence of 7 sexually transmitted infections in all countries (a) and excluding countries from sub Saharan Africa (b) [Data from various sources]

From: Strong associations between national prevalence of various STIs suggests sexual network connectivity is a common underpinning risk factor

  HIV HSV-2 Chlamydia Gonorrhoea Syphilis Trichomoniasis
a)
HIV      
HSV-2 .85***     
Chlamydia −.11 −.23    
Gonorrhoea .44*** .58*** −.69***   
Syphilis .50*** .67*** −.03 .15  
Trichomoniasis .75*** .83*** −.41*** .75*** .56***
BV .65*** .73*** −.22 .43 .50* .60**
b)
HIV      
HSV-2 .46*     
Chlamydia .34** .27    
Gonorrhoea −.25 −.18 −.62***   
Syphilis .07 −.02 .37*** −.60***  
Trichomoniasis .10 .12 −.13 .48*** −.23
BV .29 .29 −.05 .05 .26 .15
  1. P-Value: * < .05, ** < .005, *** < .0005 (Including Bonferroni corrections)
  2. Abbreviations: HIV human immunodeficiency virus, HSV-2 herpes simplex virus-2, BV bacterial vaginosis