TABLE 1.
General, biological, and clinical data of patients during the acute phase and characteristics of the E. coli strains isolated from patients’ stool specimens
| Characteristic | Patienta
|
|||||
|---|---|---|---|---|---|---|
| 1 | 2 | 3 | 4 | 5 | 6 | |
| Sexb | F | M | F | F | F | F |
| Age (yr) | 45 | 84 | 63 | 39 | 76 | 77 |
| Prodromic diarrheac | + (B) | + (NB) | + (NB) | + (NB) | + (B) | + (NB) |
| Body temperature (°C) | 38.5 | 37 | 38.5 | 38 | 39 | 37.2 |
| Biological parameter | ||||||
| Hemoglobin level (g/dl) | 6.6 | 7.4 | 8.6 | 5.9 | 7.1 | 9.8 |
| Haptoglobin level (g/liter) | <0.05 | <0.05 | <0.05 | <0.05 | <0.05 | <0.05 |
| Schistocytes | + | + | + | + | + | + |
| Platelets (count/μl) | 94,000 | 25,000 | 22,000 | 22,000 | 32,000 | 25,000 |
| White blood cells (count/μl) | 16,000 | 7,530 | 4,260 | 10,810 | 13,960 | 9,200 |
| Creatinine (μmol/liter) | 647 | 454 | 240 | 1,127 | 370 | 542 |
| E. coli characteristic | ||||||
| Serotyped | O6:H4 | O91:H10 | O91:H21 | O rough:H16 | OX3:H− | Ont:H− |
| stxe | stx2 | stx2 | stx2 | stx2 | stx2 | stx2 |
| ehlye | − | − | + | + | − | − |
| eaef | − | − | − | − | − | − |
+, present; −, not detected.
F, female; M, male.
B, bloody; NB, nonbloody.
Ont, not O serotypeable.
Stx- and Ehly-encoding genes detected by PCR and specific hybridizations.
eae detected by dot blot hybridization.