From: Comparison between RT-qPCR for SARS-CoV-2 and expanded triage in sputum of symptomatic and asymptomatic COVID-19 subjects in Ecuador
Time
RT-qPCR result
n = 515
Positive
Negative
Total
> 10 days
22
57
79
≤ 10 days
174
262
436
196
319
515
*p-value
0.04