Volume 10, Number 5—May 2004
Research
Virulence Factors for Hemolytic Uremic Syndrome, Denmark1
Steen Ethelberg*
, Katharina E. P. Olsen*, Flemming Scheutz*†, Charlotte Jensen*, Peter Schiellerup*, Jørgen Engberg*, Andreas Munk Petersen*, Bente Olesen*, Peter Gerner-Smidt*, and Kåre Mølbak*
, Katharina E. P. Olsen*, Flemming Scheutz*†, Charlotte Jensen*, Peter Schiellerup*, Jørgen Engberg*, Andreas Munk Petersen*, Bente Olesen*, Peter Gerner-Smidt*, and Kåre Mølbak*Table 1
Number of isolates, clinical outcome, virulence factors, and median age for the O groups of STEC patients, Denmarka
| O group | No. of isolates | HUS | Bloody diarrhea | eae-positive | stx1-positive | stx2-positive | ehxA-positive | Median age |
|---|---|---|---|---|---|---|---|---|
| O157 |
81 |
11 |
56 |
80 |
31 |
81 |
80 |
12 |
| O26 |
50 |
3 |
16 |
50 |
42 |
12 |
45 |
1 |
| O103 |
45 |
1 |
21 |
44 |
45 |
0 |
44 |
4 |
| Otherb |
30 |
2 |
8 |
12 |
17 |
17 |
12 |
8 |
| O rough |
21 |
0 |
4 |
4 |
16 |
15 |
14 |
28 |
| O117 |
19 |
0 |
1 |
0 |
19 |
0 |
1 |
32 |
| O145 |
18 |
1 |
5 |
17 |
7 |
11 |
18 |
3 |
| O146 |
18 |
0 |
4 |
0 |
13 |
15 |
11 |
48 |
| O121 |
9 |
1 |
3 |
9 |
0 |
9 |
9 |
1 |
| O91 |
7 |
0 |
0 |
0 |
6 |
5 |
4 |
25 |
| O?c |
7 |
0 |
0 |
1 |
4 |
3 |
3 |
25 |
| O111 |
6 |
2 |
2 |
6 |
6 |
3 |
5 |
1 |
| O128 |
6 |
0 |
0 |
0 |
6 |
5 |
5 |
31 |
| O156 |
5 |
0 |
0 |
2 |
5 |
0 |
2 |
32 |
| O55 |
4 |
0 |
1 |
2 |
4 |
0 |
0 |
3 |
| O15 |
3 |
0 |
1 |
0 |
0 |
3 |
1 |
21 |
| O70 |
3 |
0 |
0 |
3 |
2 |
1 |
3 |
1 |
| O174 |
3 |
0 |
2 |
0 |
2 |
2 |
2 |
36 |
| O5 |
2 |
0 |
1 |
1 |
2 |
0 |
2 |
30 |
| O41 |
2 |
0 |
0 |
1 |
2 |
0 |
0 |
40 |
| O76 |
2 |
0 |
0 |
0 |
2 |
0 |
1 |
42 |
| O88 |
2 |
0 |
0 |
0 |
1 |
2 |
2 |
39 |
| All | 343 | 21 | 125 | 232 | 232 | 184 | 264 | 12 |
aSTEC, Shiga toxin–producing Escherichia coli; HUS, hemolytic uremic syndrome.
bIncludes all O groups that contained one isolate only.
cO?, O nontypeable.
