Table 1.
Comparison of positive results for other STIs between Entamoeba histolytica seropositive and seronegative clients.
| E. histolytica seropositive | E. histolytica seronegative | P 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-1 | 0% (0/55) | 0.35% (7/2028) | >0.999 |
| RPR | 9.09% (5/55) | 1.92% (39/2028) | 0.005 |
| TPHA | 29.09% (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 STIs | 30.56% (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.