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Table 3 Comparison of GPP and TAC assay results

From: Burden and etiology of moderate and severe diarrhea in children less than 5 years of age living in north and south of China: Prospective, population-based surveillance

Pathogen GPP TAC Total Sensitivity %(95% CI) Specificity %(95% CI) Kappa(95% CI)
positive negative
Rotavirus A Positive 132 6 138 95.7 (92.3–99.1) 83.5 (77.0–89.9) 0.79 (0.72–0.87)
Negative 21 106 127
Total 153 112 265
Norovirus GI/GII Positive 67 20 87 77.0 (68.1–85.9) 96.6 (94.0–99.3) 0.77 (0.68–0.85)
Negative 6 172 178
Total 73 192 265
Adenovirus 40/41 Positive 101 8 109 92.7 (87.8–97.6) 95.5 (92.3–98.8) 0.88 (0.83–0.94)
Negative 7 149 156
Total 108 157 265
  1. Sensitivity and specificity of TAC assay calculated using GPP test results as reference