TABLE 4.
Serogroups of 138 HUS-associated and non-HUS-associated STEC strains isolated by PCR and culture at St. Olavs Hospital, Trondheim, Norway, during the 1996-2011 period
| Serogroup | No. (%) of STEC strains |
||
|---|---|---|---|
| HUS associated | Non-HUS associated | Total | |
| O145 | 7 (29.1) | 21 (18.4) | 28 (20.3) |
| O103 | 2 (8.4) | 19 (16.6) | 21 (15.3) |
| O157 | 0 (0) | 20 (17.5) | 20 (14.5) |
| O26 | 1 (4.2) | 10 (8.8) | 11 (7.9) |
| SF O157 | 9 (37.5) | 0 (0) | 9 (6.5) |
| O121 | 5 (20.8) | 4 (3.5) | 9 (6.5) |
| Othera | 0 (0) | 40 (35.1) | 40 (28.9) |
| Total | 24 (100) | 114 (100) | 138 (100) |
a
Other serogroups: O2 (n = 1), O76 (n = 1), O91 (n = 1), O104 (n = 3), O111 (n = 1), O113 (n = 3), O117 (n = 1), O118 (n = 1), O119 (n = 1), O128 (n = 3), O177 (n = 1), and unknown O serogroups (n = 23), of which one strain was Orough.