Table 1. Characteristics of patients treated for STEC infection without evidence for hemolytic uremic syndrome (HUS) at first presentation to health care center.
| Development of Hemolytic Uremic Syndrome (HUS) | |||||
| total | no | yes | |||
| Characteristic | n = 259 | n = 178 (68.7%) | n = 81 (31.3%) | p-value* | |
| Hospital – no. (% of total) | 0.096 | ||||
| University Medical Center Hamburg-Eppendorf | 105 (40.5) | 77 (43.3) | 28 (34.6) | ||
| Asklepius Klinik Altona, Hamburg | 42 (16.2) | 23 (12.9) | 19 (23.5) | ||
| Agaplesion Diakoniekrankenhaus Hamburg | 9 (3.5) | 8 (4.5) | 1 (1.2) | ||
| Amalie Sieveking Hospital Hamburg | 22 (8.5) | 17 (9.6) | 5 (6.2) | ||
| University Medical Center Lübeck | 81 (31.3) | 53 (29.8) | 28 (34.6) | ||
| Admission to hospital - no. (%) | 183 (70.7) | 102 (57.3) | 81 (100.0) | < 0.001 | |
| Age (first presentation), mean years± SD | 44.4 ± 17.1 | 43.7 ± 16.7 | 45.8 ± 18.0 | 0.447 | |
| Female Sex - no. (%) | 166 (64.1) | 109 (61.2) | 57 (70.4) | 0.152 | |
| Pregnancy - no./total no. (%) | 5/164 (3.0) | 3/108 (2.8) | 2/56 (3.6) | 0.782 | |
| Diarrhea - no. (%) | 255 (98.5) | 174 (97.8) | 81 (100.0) | 0.082 | |
| Visible Blood in stools - no. (%) | 234 (90.3) | 157 (88.2) | 77 (95.1) | 0.067 | |
| Abdominal pain - no./total no. (%) | 234/257 (91.1) | 156/176 (88.6) | 78/81 (96.3) | 0.032 | |
| Vomiting - no./total no. (%) | 71/257 (27.6) | 35/176 (19.9) | 36/81 (44.4) | < 0.001 | |
| Premorbid conditions - no./total no. (%) | 96/258 (37.2) | 65/177 (36.7) | 31/81 (38.3) | 0.811 | |
| Intake of Oral contraceptive pill no./total no. (%) | 42/142 (29.6) | 27/91 (29.7) | 15/51 (29.4) | 0.974 | |
| Use of antibiotics within 2 weeks prior to presentation –no./total no. (%) | 5/135 (3.7) | 3/101 (3.0) | 2/34 (5.9) | 0.459 | |
| Use of antimotility agents within 2 weeks prior to presentation –no./total no. (%) | 11/133 (8.3) | 11/102 (10.8) | 0/31 (0.0) | 0.013 | |
*
Student’s t-test and chi-squared test.