Table 1.
Characteristics of the studies included in the meta-analysis
| Authors | Sample Size | Recurrence monitoring period1 | Setting | Samples | Age (years)2 | Females (%) |
| Abdullah MS et al. | 138 | 11 days | Brunei | Throat and respiratory specimens | 41 (24-58) | 41% |
| Cento V et al. | 2521 | 1-60 days | Italy | Respiratory specimens | NCS | NCS |
| Deng W et al. | 576 | 3-35 days | China | Respiratory and fecal specimen | 55 (43-68) | 59% |
| Hao S. et al. | 104 | NCS | China | Respiratory specimens | NCS | NCS |
| Hartman WR et al. | 75 | 19-28 days | US | Respiratory specimens | 53 (38-68) | 63% |
| Hu R et al. | 69 | 9-17 days | China | Respiratory specimens | 27 (4-58) | 36% |
| Huang J et al. | 414 | 3-12 days | China | Respiratory specimens | NCS | 59% |
| Liu T et al. | 150 | NCS | China | Throat swabs | 49 (37-62) | 45% |
| Tian M et al. | 147 | 7-47 days | China | Respiratory specimens | 37 (4-80) | 40% |
| Wang Y et al. | 94 | 1-14 days | China | Respiratory specimens | 46 (30-70) | 50% |
| Wu J et al. | 60 | 4-24 days | China | Respiratory and fecal specimen | NCS | NCS |
| Xiao AT et al. | 70 | 1-45 days | China | Throat specimens | 64 (51-73) | 40% |
| Ye G et al. | 55 | 4-17 days | China | Throat specimens | 32 (27-42) | 60% |
| Yuan B et al. | 182 | 1-14 days | China | Respiratory and fecal specimen | 40 (20-60) | 65% |
| Yuan Y et al. | 172 | 2-13 days | China | Respiratory and fecal specimen | 28 (16-42) | 68% |
| Zhu H et al. | 98 | 1-14 days | China | Respiratory specimens | 54 (44-63) | 71% |
| Zou Y et al. | 257 | 1-12 days | China | Throat specimens | 62 (29-87) | 57% |
1 For most of patients with nucleic acid amplification test (NAAT) recurrence; 2 confidence interval estimated from original data. NCS, non-clearly specified.