Distribution of macrolide resistance-associated mutations (MRMs), wild-type Mycoplasma genitalium (Mg) strains and undetermined strains in 46 rectal and 24 urine Mg specimens and among 9 HIV-positive and 55 HIV-negative MSM
| Mg all specimens (%) | Mg rectal specimens (%) | Mg urine specimens (%) | P value Mg rectal vs Mg urine | HIV positive (%) | HIV negative (%) | P value HIV positive vs HIV negative | |
| MRMs | 19/70 (27.1) | 11/28 (39.3) | 8/24 (33.3) | 0.57* | 5/5 (100) | 10/19 (52.6) | 0.07* |
| Wild type | 9/70 (12.9) | 8/19 (42.1) | 1/9 (11.1) | 0.23* | 0/5 (0.0) | 9/19 (47.4) | 0.07* |
| Undetermined strains | 42/70 (60.0) | 27/42 (64.3) | 15/42 (35.7) | 0.008 | 4/9 (44.4) | 36/55 (65.5) | 0.20* |
Undetermined strains were not included when calculating the proportion between MRMs and wild-type strains and when comparing the prevalence in rectal and urine specimens. MRMs and wild-type strains were not included when calculating the proportion and prevalence between rectal and urine specimens. P values are calculated by Pearson’s Χ2 test.
*Cells <5 calculated using Fisher’s exact test.
MSM, men who have sex with men.