TABLE 1.
Results of EIA and culture analysis in inpatients with diarrhea at Kuala Lumpur and Kota Bharu
| EIA result | Culture | Toxin profile | No. (%) of positive results at various sitesa |
||||
|---|---|---|---|---|---|---|---|
| Site 1 (n = 162) | Site 2 (n = 111) | Site 3 (n = 98) | Site 4 (n = 66) | Total (n = 437) | |||
| GDH+/toxin+ | Positive | A+B+CDT− | 6 (3.7) | 0 | 0 | 2 (3.0) | 8 (1.8) |
| A−B+CDT− | 4 (2.5) | 0 | 0 | 1 (1.5) | 5 (1.1) | ||
| A−B−CDT− | 0 | 0 | 0 | 0 | 0 | ||
| Negative | 0 | 0 | 0 | 0 | 0 | ||
| GDH+/toxin− | Positive | A+B+CDT− | 5 (3.1)* | 2 (1.8) | 3 (3.1) | 3 (4.5)** | 13 (3.0) |
| A−B+CDT− | 5 (3.1)* | 4 (3.6) | 0 | 0 | 9 (2.1) | ||
| A−B−CDT− | 12 (7.4) | 4 (3.6) | 16 (16.3) | 9 (13.6)** | 41 (9.4) | ||
| Negative | 6 (3.7) | 2 (1.8) | 0 | 2 (3.0) | 10 (2.3) | ||
| Negative | Positive | A+B+CDT− | 1 (0.6) | 0 | 1 (1.0) | 3 (4.5) | 5 (1.1) |
| A−B+CDT− | 1 (0.6) | 4 (3.6) | 0 | 1 (1.5) | 6 (1.4) | ||
| A−B−CDT− | 3 (1.9) | 0 | 6 (6.1) | 4 (6.1) | 13 (3.0) | ||
| Negative | 120 (74.0) | 95 (85.6) | 72 (73.5) | 42 (63.6) | 329 (75.3) | ||
| Overall prevalence | |||||||
| Toxigenic strains | 21 (13.0) | 10 (9.0) | 4 (4.1) | 10 (15.1) | 45 (10.3) | ||
| Nontoxigenic strains | 15 (9.3) | 4 (3.6) | 22 (22.4) | 13 (19.7) | 54 (12.4) | ||
a
Sites: 1, UKM Medical Centre, Kuala Lumpur, 1,040 beds; 2, Hospital Sungai Buloh, Sungai Buloh, Selangor, 620 beds; 3, University Malaya Medical Centre, Kuala Lumpur, 1,300 beds; 4, Hospital Universiti Sains Malaysia, Kota Bharu, 760 beds. *, one sample yielded one A+B+ and 1 A−B+ isolate; **, one sample yielded one A+B+ and one A−B− isolate.