Tuberc Respir Dis > Accepted Articles
Pulmonary Infection
DOI: https://doi.org/10.4046/trd.2021.0033    [Accepted]
Published online May 13, 2021.
Diagnostic accuracy of the Quidel Sofia rapid influenza fluorescent immunoassay in patients with influenza-like illness: A systematic review and meta-analysis
Jonghoo Lee1, Jae-Uk Song2, Yee Hyung Kim3
1Department of Internal Medicine, Jeju National University Hospital, Jeju National University School of Medicine, Jeju, Republic of Korea
2Division of Pulmonary and Critical Care Medicine, Department of Internal Medicine, Kangbuk Samsung Hospital, Sungkyunkwan University School of Medicine, Seoul, Republic of Korea
3Department of Pulmonary and Critical Care Medicine, Kyung Hee University Hospital at Gangdong, School of Medicine, Kyung Hee University, Seoul, Republic of Korea
Correspondence:  Jonghoo Lee, Tel: 82-64-717-1601, Fax: 82-64-717-1131, 
Email: lovlet@jejunu.ac.kr
Received: 24 February 2021   • Revised: 4 April 2021   • Accepted: 3 May 2021
Abstract
Background
Although the Quidel Sofia rapid influenza fluorescent immunoassay (FIA) is widely used to identify influenza A and B, the diagnostic accuracy of this test remains unclear. We compared the diagnostic performances of this test with reverse transcriptase-polymerase chain reaction.
Methods
A systematic literature search was performed using MEDLINE, EMBASE, and the Cochrane Central Register. The sensitivity, specificity, diagnostic odds ratio (DOR), and a hierarchical summary receiver-operating characteristic curve (HSROC) of this test for identifying influenza A and B were pooled using meta-analysis. A sensitivity and subgroup analysis was used to identify potential sources of heterogeneity within the selected studies.
Results
We identified seventeen studies comprising 8,334 patients. The pooled sensitivity, specificity, and DOR of the Quidel Sofia rapid influenza FIA to identify influenza A were 0.78 (95% CI, 0.71–0.83), 0.99 (95% CI, 0.98–0.99), and 251.26 (95% CI, 139.39–452.89), respectively. The pooled sensitivity, specificity, and diagnostic odds ratio of this test to identify influenza B were 0.72 (95% CI, 0.60–0.82), 0.98 (95% CI, 0.96-0.99), and 140.20 (95% CI, 55.92-351.54), respectively. The area under the HSROC for this test was similar for identification of influenza A and influenza B. Age was considered a probable source of heterogeneity.
Conclusions
The pooled sensitivities of the Quidel Sofia rapid influenza FIA did not quite meet the target level (≥80%) for both influenza A and B. The interpretation of data should be carefully considered due to substantial between-study heterogeneity.
Key Words: Influenza, Human, Diagnosis, Point-of-Care Testing, Fluorescence Polarization Immunoassay
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