Research Article

Viral RNA Load in Symptomatic and Asymptomatic COVID-19 Omicron Variant-Positive Patients

Table 3

Nucleic acid test Ct values of the symptomatic and the asymptomatic groups stratified by oropharyngeal (OP) versus nasopharyngeal (NP) swabs and by vaccination status.

Ct of symptomatic patients (NP)Ct of symptomatic patients (OP)Ct of asymptomatic patients (NP)Ct of asymptomatic patients (OP)

Unvaccinated32.25 (24.4–34.9)35 (30–37)34.5 (34.5–34.5)35 (34.5–35)
Vaccinated30.25 (25–35)35 (30–37)27.3 (22.1–34.4)32 (25.8–35)
0.8890.3180.260.172

Values are expressed as median (interquartile range) Ct: cycle threshold.