Table 3.
Distribution of O-serogroups in the Escherichia coli strains isolated from fertile and infertile women
| Groups of women (No. of samples) | No. of E. coli (%) | Distribution of O-serogroups (%) |
|||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| O1 | O2 | O4 | O6 | O7 | O8 | O15 | O16 | O18 | O21 | O22 | O25 | O75 | O83 | Other | |||
| Infertile women | History of UTIs (90) | 17 | 3 | 2 | 1 | 2 | — | 1 | — | — | 1 | — | — | 5 | 1 | — | 1 |
| No history of UTIs (150) | 18 | — | — | — | 1 | 1 | 1 | 1 | 1 | — | 1 | 1 | 2 | — | 1 | 8 | |
| Total (240) | 35 (14.58) | 3 (8.57) | 2 (5.71) | 1 (2.85) | 3 (8.57) | 1 (2.85) | 2 (5.71) | 1 (2.85) | 1 (2.85) | 1 (2.85) | 1 (2.85) | 1 (2.85) | 7 (20) | 1 (2.85) | 1 (2.85) | 9 (25.71) | |
| Fertile women | History of UTIs (80) | 14 | 2 | 2 | 1 | 1 | — | 1 | — | 1 | 1 | — | — | 3 | 1 | — | 1 |
| No history of UTIs (140) | 16 | — | — | — | — | — | — | 1 | 1 | — | 1 | 1 | 1 | — | — | 11 | |
| Total (220) | 30 (13.63) | 2 (6.66) | 2 (6.66) | 1 (3.33) | 1 (3.33) | — | 1 (3.33) | 1 (3.33) | 2 (6.66) | 1 (3.33) | 1 (3.33) | 1 (3.33) | 4 (13.33) | 1 (3.33) | — | 12 (40) | |
| Total (460) | 65 (14.13) | 5 (7.69) | 4 (6.15) | 2 (3.07) | 4 (6.15) | 1 (1.53) | 3 (4.61) | 2 (3.07) | 3 (4.61) | 2 (3.07) | 2 (3.07) | 2 (3.07) | 11 (16.92) | 2 (3.07) | 1 (1.53) | 21 (32.30) | |
Abbreviations: UPEC, uropathogenic Escherichia coli; UTI, urinary tract infection.