Table 3. Detection of ARGs in different WWTPs (total of all analyses per gene, n = 15).
| ARG | City | IF %(number) detected | EF %(number) detected |
| tetC | Helsinki | 93 (14) | 80 (12) |
| Tallinn | 67 (10) | 27 (4) | |
| Tartu | 67 (10) | 73 (11) | |
| blaoxa-58 | Helsinki | 100 (15) | 87 (13) |
| Tallinn | 100 (15) | 47 (7) | |
| Tartu | 87 (13) | 80 (12) | |
| blashv-34 | Helsinki | 100 (15) | 100 (15) |
| Tallinn | 87 (13) | 87 (13) | |
| Tartu | 100 (15) | 100 (15) | |
| blactx-m-32 | Helsinki | 100 (15) | 100 (15) |
| Tallinn | 87 (13) | 40 (6) | |
| Tartu | 80 (12) | 47 (7) |
Only genes that were sometimes not detected are given. sul1, sul2 and tetM were detected 100% in all IF and EF samples from the WWTPs.