Table 2

Comparison of the 1999 and 2005 WHO global estimates for four curable STI (gonorrhoea, chlamydial infection, trichomoniasis and syphilis), indicating the proportion of new cases attributable to the sub-Saharan Africa region in each set of estimates

DiseaseWHO estimates of new cases (1999)WHO estimates of new cases (2005)Change in percentage of new cases from 1999 to 2005
GlobalSub-Saharan AfricaGlobalSub-Saharan AfricaGlobalSub-Saharan Africa
New casesNew cases% Of global new casesNew casesNew cases% Of global new cases% Increase (+) or % decrease (−)% Increase (+) or % decrease (−)
Gonorrhoea62 000 00017 000 00027.487 650 00017 520 00020.0+41.4+3.1
Chlamydial infection92 000 00016 000 00017.4101 520 00010 020 0009.9+10.3−37.4
Trichomoniasis174 000 00032 000 00018.4248 480 00078 810 00031.7+42.8+146.3
Syphilis12 000 0004 000 00033.310 600 0003 410 00032.2−11.7−14.8
All four above diseases340 000 00069 000 00020.3448 250 000109 760 00024.5+31.8+59.1
  • This table has utilised WHO data.2 7

  • STI, sexually transmitted infection.