From: Diagnosing norovirus-associated infectious intestinal disease using viral load
Method of norovirus detection | IID Cases | Controls |
Rank-sum test p-value comparing cases to controls | ||||
---|---|---|---|---|---|---|---|
Median Ct value |
Ct value IQR |
Sample size |
Median Ct value |
Ct value IQR |
Sample size | ||
All ages | |||||||
All | 34 | 25–37 | 589 | 38 | 35–39 | 159 | <0.0001 |
Electron microscopy | 24 | 21–27.5 | 92 | <0.0001 | |||
RT-PCR (Electron microscopy negative) | 35 | 29–38 | 497 | <0.0001 | |||
< 5 years | |||||||
All | 34 | 26–37 | 253 | 37 | 34–38 | 92 | <0.0001 |
Electron microscopy | 23 | 21–25 | 48 | <0.0001 | |||
RT-PCR (Electron microscopy negative) | 35 | 32–37 | 205 | 0.0001 | |||
5 years + | |||||||
All | 34 | 25–38 | 334 | 38 | 36–39 | 67 | <0.0001 |
Electron microscopy | 25 | 22–28.5 | 44 | <0.0001 | |||
RT-PCR (Electron microscopy negative) | 35 | 27–38 | 290 | <0.0001 |