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Cumulative prevalence of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) positivity recurrence with nucleic acid amplification test (NAAT) in specific settings
| Setting | Prevalence | Heterogeneity |
| Excluding Cento et al. | 0.14 (95% CI, 0.13-0.16) | I2, 64% |
| Only respiratory tract specimens | 0.13 (95% CI 0.12-0.14%) | I2, 79% |
| Studies outside China | 0.11 (95% CI, 0.10-0.12) | I2, 80% |
