Table 1 Comparison of different types of LFIA tests developed for COVID-19 detection
From: Screening and confirmation tests for SARS-CoV-2: benefits and drawbacks
Types of LFIA | No. of positive patient samplesa | No. of negative patient samplesb | No. of other samplesc | Sample type | Sensitivity (%) | Specificity (%) | Reference |
|---|---|---|---|---|---|---|---|
NG-Test IgG-IgM LFIA | 82 | 57 | 25 | Human serum | 100% | (98%) compared to ELISA (95.8%) | [52] |
Lanthanide-doped polystyrene nanoparticles (LNP) LFIA | 7 | 12 | ND | Human serum | ND | ND | [66] |
Surface – enhanced Raman scattering-based LFIA (SERS-LFIA) | 19 | 49 | ND | Human serum | 100% | 100% | [67] |
QB-based LFIA | 69 | 53 | ND | Human serum | 97.1% | 100% | [68] |
UK-RTC Abc-19 Rapid Test LFIA | 304 | 350 | ND | Human serum | 97.70% | 100% | [69] |