Skip to main content

Table 2 Frequency of Strongyloides stercoralis larvae in stool samples of the 300 patients studied, according to coproparasitological and serological methods

From: Screening of Strongyloides stercoralis infection in high-risk patients in Khuzestan Province, Southwestern Iran

Techniques

Uncontrolled diabetes

No. = 82

Malignant diseases

No. = 79

Steroid therapy

No. = 102

Other diseases

No. = 37

P

n (%)

n (%)

n (%)

n (%)

Direct smear examination

 Positive

1 (33.3)

0 (0.0)

2 (66.7)

0 (0.0)

0.539

 Negative

81 (27.3)

79 (26.6)

100 (33.7)

37 (12.4)

Formalin-ether concentration technique

 Positive

1 (25.0)

0 (0.0)

3 (75.0)

0 (0.0)

0.311

 Negative

81 (27.4)

79 (26.7)

99 (33.4)

37 (12.5)

Baermann funnel technique

 Positive

1 (16.7)

1 (16.7)

4 (66.7)

0 (0.0)

0.369

 Negative

81 (27.6)

78 (26.5)

98 (33.3)

37 (12.6)

Agar plate culture

 Positive

1 (12.5)

1 (12.5)

6 (75.0)

0 (0.0)

0.096

 Negative

81 (27.7)

78 (26.7)

96 (32.9)

37 (12.7)

Enzyme-linked immunosorbent assay

 Positive

11 (42.3)

3 (11.5)

9 (34.7)

3 (11.5)

0.287

 Equivocal

1 (25.0)

2 (50.0)

0 (0.0)

1 (25.0)

 Negative

70 (25.9)

74 (27.4)

93 (34.5)

33 (12.2)