Volume 27, Number 11—November 2021
Dispatch
Correlation of SARS-CoV-2 Subgenomic RNA with Antigen Detection in Nasal Midturbinate Swab Specimens
Table 2
Correlation of SARS-CoV-2 subgenomic RNA with nucleocapsid detection in NP specimens from study participants analyzed for SARS-CoV-2 subgenomic RNA, Atlanta, Georgia, USA *
Variable | Overall, n = 39 | Antigen positive, n = 20 | Antigen negative, n = 19 | p value |
---|---|---|---|---|
Mean age, y (SD) | 8.6 (5.8) | 9.8 (5.6) | 7.4 (5.8) | 0.148 |
Female sex |
16 (41.0) |
8 (40.0) |
8 (42.1) |
0.894 |
Mean days after symptom onset (SD)† | 3.7 (2.2) | 3.0 (1.4) | 4.5 (2.7) | 0.227 |
Repeat NP swab specimen, rRT-PCR positive |
36 (92.3) |
20 (100.0) |
16 (84.2) |
0.106 |
Race | ||||
White | 26 (66.67) | 13 (65.0) | 13 (68.42) | 0.077 |
Black/African American | 6 (15.38) | 3 (15.0) | 3 (15.79) | NA |
Asian | 4 (10.26) | 4 (20.0) | 0 | NA |
Biracial |
3 (7.69) |
0 |
3 (15.79) |
NA |
Hispanic ethnicity | 19 (48.72) | 6 (30.0) | 13 (68.42) | 0.016 |
*Values are no. (%) unless indicated otherwise. NA, not available; NP, nasopharyngeal; rRT-PCR, real-time reverse transcription PCR; SARS-CoV-2, severe acute respiratory syndrome coronavirus 2. †Day sample was collected. One participant was asymptomatic (did not report symptoms in the past 14 days).
1Current affiliation: Pomona College, Claremont, California, USA.