TABLE 1

Results of EIA and culture analysis in inpatients with diarrhea at Kuala Lumpur and Kota Bharu

EIA resultCultureToxin profileNo. (%) 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+PositiveA+B+CDT6 (3.7)002 (3.0)8 (1.8)
AB+CDT4 (2.5)001 (1.5)5 (1.1)
ABCDT00000
Negative00000
GDH+/toxinPositiveA+B+CDT5 (3.1)*2 (1.8)3 (3.1)3 (4.5)**13 (3.0)
AB+CDT5 (3.1)*4 (3.6)009 (2.1)
ABCDT12 (7.4)4 (3.6)16 (16.3)9 (13.6)**41 (9.4)
Negative6 (3.7)2 (1.8)02 (3.0)10 (2.3)
NegativePositiveA+B+CDT1 (0.6)01 (1.0)3 (4.5)5 (1.1)
AB+CDT1 (0.6)4 (3.6)01 (1.5)6 (1.4)
ABCDT3 (1.9)06 (6.1)4 (6.1)13 (3.0)
Negative120 (74.0)95 (85.6)72 (73.5)42 (63.6)329 (75.3)
Overall prevalence
    Toxigenic strains21 (13.0)10 (9.0)4 (4.1)10 (15.1)45 (10.3)
    Nontoxigenic strains15 (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 AB+ isolate; **, one sample yielded one A+B+ and one AB isolate.