diagnosis human 124 Humans 116 female 60 male 59 adult 58 Article 55 Female 48 COVID-19 46 Male 46 controlled study 46 major clinical study 39 SARS-CoV-2 38 middle aged 37 Middle Aged 35 Adult 33 genetics 33 procedures 33 sensitivity and specificity 30 aged 26 coronavirus disease 2019 23 article 22 blood 22 Aged 20 receiver operating characteristic 20 diagnostic test accuracy study 18 child 17 pathology 17 COVID-19 Testing 16 adolescent 16