Table 1

Comparison of positive results for other STIs between Entamoeba histolytica seropositive and seronegative clients.

E. histolytica seropositiveE. histolytica seronegativeP value
Male, % (n)92.73% (51/55)70.17% (1423/2028)0.0001
Age, mean (SD)41.6 (12.56)35.1 (10.4)<0.0001
Positive rate, % (n)
 HIV-10% (0/55)0.35% (7/2028)>0.999
 RPR9.09% (5/55)1.92% (39/2028)0.005
 TPHA29.09% (16/55)6.21% (126/2028)<0.0001
 Urine Chlamydia trachomatis (TMA)8.33% (3/36)4.50% (63/1401)0.227
 Urine Neisseria gonorrhoeae (TMA)0% (0/36)0.14% (2/1401)>0.999
 Any of the above STIs30.56% (11/36)10.49% (147/1401)0.0001
  • The positive rate of any of the other STIs was calculated only in clients whose blood and urine were tested.

  • RPR, rapid plasma reagin; STIs, sexually transmitted infections; TMA, transcription-mediated amplification; TPHA, Treponema pallidum hemagglutination.