Impact of individual characteristics of seropositivity for Entamoeba histolytica, Tokyo.
| Univariate analysis | Multivariate analysis* | |||
| OR (95% CI) | P value | OR (95% CI) | P value | |
| Sex (male) | 5.42 (1.95 to 15.06) | <0.001 | 3.17 (1.10 to 9.07) | 0.032 |
| Older age (by 10-year age groups) | 1.66 (1.33 to 2.08) | <0.001 | 1.49 (1.17 to 1.90) | 0.001 |
| HIV-1 positive | ND† | |||
| Syphilis infection | ||||
| RPR positive | 5.1 (1.93 to 13.49) | 0.006 | 1.26 (0.41 to 3.89) | 0.693 |
| TPHA positive | 6.19 (3.37 to 11.39) | <0.001 | 4.30 (2.11 to 8.76) | <0.001 |
| Urine Chlamydia trachomatis (TMA) positive‡ | 1.93 (0.58 to 6.47) | 0.326 | ||
| Urine Neisseria gonorrhoeae (TMA) positive‡ | ND† | |||
*Multivariate analysis for age and sex, plus factors with p<0.05 in univariate analysis.
†ORs could not be determined in logistic regression analysis because all clients who were HIV-1 positive and/or positive for gonorrhoea by TMA were E. histolytica seronegative.
‡Data of urinary TMA testing available only for 69.0% (1437 of 2083) of total clients.
RPR, rapid plasma reagin; TPHA, Treponema pallidum hemagglutination; TMA, transcription-mediated amplification; ND, not determined.