Table 5.
Distribution of GDRs among lineages 17/18 and 78 and among hospital and sewage isolates of E. faecium
| lineagea/origin | GDR1 (%) | GDR2 (%) | GDR3 (%) | GDR5 (%) | GDR6 (%) | GDR7 (%) | Number of isolates with n GDR loci | ||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| n = 0 | n = 1 | n = 2 | n = 3 | n = 4 | n = 5 | n = 6 | |||||||
| 17/18 (n = 27) | 14 (51.2) | 16 (59.2) | 5 (18.5) | 4 (14.8) | 6 (22.2) | 2 (7.4) | 4 | 12 | 4 | 3 | 3 | 0 | 1b |
| 78 (n = 18) | 16 (88.9) | 18 (100) | 15 (83.3) | 18 (100) | 11 (61.1) | 13 (72.2) | 0 | 0 | 0 | 2 | 3 | 5 | 8 |
| P c | 0.02 | 0.005 | 0.0001 | 0.00000 | 0.02 | 0.00003 | |||||||
| ST879 (n = 1) | 1 | 0 | 1 | 1 | 0 | 1 | 1 | ||||||
| Hospital (n = 46) | 31 (67.4) | 34 (73.9) | 21 (45.6) | 23 (50.0) | 17 (36.9) | 16 (34.8) | 4 | 12 | 4 | 5 | 7 | 5 | 9 |
| Sewage (n = 52) | 49 (94.2) | 0 (0) | 5 (9.6) | 21 (40.4) | 11 (21.1) | 11 (21.1) | 2 | 20 | 13 | 16 | 1 | 0 | 0 |
| P d | 0.001 | 0 | 0.0001 | 0.4 | 0.1 | 0.2 | |||||||
aBased on the MLST data; bverified by repeated typing and GDR sequencing; cdifferences in GDR distributions between lineages 17/18 and 78 isolates; ddifferences in GDR distributions between hospital and sewage isolates