Research Article

Clinical Evaluation of a Novel Stool Antigen Test Using Bioluminescent Enzyme Immunoassay for Detecting Helicobacter pylori

Table 3

Detection of H. pylori antigen in commercial human fecal specimens.

SampleDilution rateMeasured valuesJudgement
B (EIA)Q (IC)T (EIA)T (IC)M (EIA)I (IC)B (EIA)Q (IC)T (EIA)T (IC)M (EIA)I (IC)
(COI)(mAbs)(AbS)(mAbs)(Abs)(mAbs)

Specimen 1×24166.429.20.24314.51.1438.6
×488717.70.145.20.6312.4
×9638.500.0782.90.2842.8
×19221.600.05100.1060
×38410.600.03400.0150
×7685.300.02900.0030
×15362.700.02500.0060
×30721.400.02100.0040
×61440.700.0200.0060

Specimen 2×12167.5280.2219.21.9856
×2481.517.20.1200.9795.7
×4842.38.90.071.50.3640
×9620.100.04600.1250
×1921000.03300.0270
×3845.700.02700.0070
×7682.600.02500.0050
×15361.300.02400.0070
×30720.700.02400.0050

Specimen 3×12130.421.60.1596.50.5686.5
×2465.913.30.094.80.2342.5
×4831.350.05600.0890
×9617.100.03800.0170
×1928.100.0300.0080
×3844.200.02600.0050
×7682.200.02500.0050
×15361.100.02100.0040
×30720.600.02200.0060

Specimen 4×2112.720.30.1575.10.3868.6
×453.2120.1013.50.2055.2
×827.47.30.0592.80.1390
×1613.800.03900.0710
×326.900.02800.010
×643.400.02500.0040
×1281.800.02600.0060
×2560.900.02300.0040
×5120.500.02100.0070

Specimen 5×4124.417.40.1717.41.43811.4
×862.87.60.0996.50.62211.6
×1630.500.05700.2336.4
×3215.300.0381.10.0690
×647.700.02900.0110
×128400.02600.0050
×256200.02200.0050
×512100.02200.0050
×10240.500.02200.0030

B (EIA), BLEIA ™ “EIKEN” H. pylori antigen; Q (IC), Quick Chaser ™ H. pylori; T (EIA), Testmate pylori antigen EIA; T (IC), Testmate rapid pylori antigen; M (EIA), Meridian HpSA ELISA II; I (IC), Immunocard STAT HpSA.