Fig. 6From: Duration of SARS-CoV-2 RNA positivity from various specimens and clinical characteristics in patients with COVID-19: a systematic review and meta-analysisForest plot: a meta-analysis of the duration of SARS-CoV-2 RNA positivity in the upper respiratory tract sample based on age and comorbidities. The duration of SARS-CoV-2 RNA positivity from the onset of COVID-19 in the patients over the age of 60 (a), patients under the age of 60 (b), patients with any comorbidities (c), patients without any comorbidities patients (d) was calculated using the random effects model. MRAW, the raw data of mean; 95%-CI, 95% confidence intervalBack to article page