Volume 10, Number 2—February 2004
THEME ISSUE
2004 SARS Edition
Laboratory Study
Serologic and Molecular Biologic Methods for SARS-associated Coronavirus Infection, Taiwan
Ho-Sheng Wu*, Shu-Chun Chiu*, Tsan-Chang Tseng*, Szu-Fong Lin*, Jih-Hui Lin*, Yu-Fen Hsu*, Mei-Ching Wang*, Tsuey-Li Lin*, Wen-Zieh Yang*, Tian-Lin Ferng*, Kai-Hung Huang*, Li-Ching Hsu*, Li-Li Lee*, Jyh-Yuan Yang*, Hour-Young Chen*, Shun-Pi Su*, Shih-Yan Yang*, Ting-Hsiang Lin*, and Ih-Jen Su*
Table 4
Specificity, sensitivity, positive and negative predictive values of the RT-PCR for the diagnosis of SARS, in comparison to the neutralization test with convalescent-phase serum specimensa
| Neutralization test | Performances of methods evaluated | |||||||
|---|---|---|---|---|---|---|---|---|
| Method |
Results |
No. |
Positive |
Negative |
Sensitivity |
PPVb |
Specificity |
NPVc |
| RT-PCR | Positive |
145 |
108 |
37 |
52.2% |
74.5% |
||
| Negative | 236 | 99 | 137 | 78.7% | 58.1% | |||
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