Table 1.
Changes in RT-PCR test results for 19 discharged patients.
| Patient ID | Discharge Time | Date of first positive after discharge | Duration from discharge to first positive, d | ORF1ab (Ct value) * | N (Ct value) * | Date of negative | Duration from first positive to negative, d | Duration from discharge to negative, d | IgM /IgG# |
|---|---|---|---|---|---|---|---|---|---|
| Group A | |||||||||
| CQ03 | 7-Feb-20 | 12-Feb-20 | 6 | 36.36 | 37.02 | 19-Feb-20 | 7 | 12 | Pos /Pos |
| CQ14 | 14-Feb-20 | 17-Feb-20 | 4 | 32.16 | 38.08 | 21-Feb-20 | 4 | 7 | Pos /Pos |
| CQ16 | 14-Feb-20 | 16-Feb-20 | 3 | 38.51 | 36.92 | 19-Feb-20 | 3 | 5 | Pos /Pos |
| CQ17 | 15-Feb-20 | 21-Feb-20 | 7 | 34.73 | 39.05 | 24-Feb-20 | 3 | 9 | Pos /Pos |
| CQ21 | 16-Feb-20 | 19-Feb-20 | 4 | 39.61 | 35.41 | 23-Feb-20 | 4 | 7 | Neg /Pos |
| CQ22 | 16-Feb-20 | 19-Feb-20 | 4 | 35.68 | 36.57 | 2-Mar-20 | 12 | 15 | Pos /Pos |
| CQ24 | 16-Feb-20 | 21-Feb-20 | 6 | 28.31 | 31.14 | 24-Feb-20 | 3 | 8 | Pos /Pos |
| CQ26 | 17-Feb-20 | 19-Feb-20 | 3 | 35.58 | 38.9 | 6-Mar-20 | 16 | 18 | Neg /Pos |
| CQ27 | 17-Feb-20 | 18-Feb-20 | 2 | 39.41 | 38.03 | 21-Feb-20 | 3 | 4 | Neg /Pos |
| CQ28 | 17-Feb-20 | 20-Feb-20 | 4 | 34.2 | 25.38 | 5-Mar-20 | 14 | 17 | Neg /Pos |
| CQ30 | 17-Feb-20 | 21-Feb-20 | 5 | 31.7 | 31.72 | 24-Feb-20 | 3 | 7 | Neg /Pos |
| CQ31 | 17-Feb-20 | 20-Feb-20 | 4 | 31.26 | 31.74 | 24-Feb-20 | 4 | 7 | Pos /Pos |
| CQ34 | 18-Feb-20 | 20-Feb-20 | 3 | 35.81 | 39.4 | 23-Feb-20 | 3 | 5 | Pos /Pos |
| CQ39 | 18-Feb-20 | 21-Feb-20 | 4 | 32.6 | 33.37 | 24-Feb-20 | 3 | 6 | Neg /Pos |
| CQ40 | 19-Feb-20 | 21-Feb-20 | 3 | 33.99 | 32.77 | 24-Feb-20 | 3 | 5 | Neg /Pos |
| CQ44 | 20-Feb-20 | 20-Feb-20 | 1 | 39.53 | 39.18 | 22-Feb-20 | 2 | 2 | Neg /Pos |
| Group B | |||||||||
| CQ47 | 28-Feb-20 | 1-Mar-20 | 3 | 35.37 | 33.29 | 3-Mar-20 | 2 | 4 | Neg /Pos |
| CQ51 | 26-Feb-20 | 3-Mar-20 | 7 | 37.17 | 36.58 | 6-Mar-20 | 3 | 9 | Neg /Pos |
| CQ60 | 3-Mar-20 | 12-Mar-20 | 10 | 32.3 | 28.78 | 15-Mar-20 | 4 | 12 | Neg /Pos |
Abbreviations: RT-PCR, reverse transcriptase-polymerase chain reaction; d, day(s); Pos, positive; Neg, negative; * cycle threshold (Ct) value for the first positive RT-PCR test results after discharge. # IgM and IgG results at the Date of RT-PCRs positive at the first time after discharge.