Retrospective Study
Copyright ©The Author(s) 2021.
World J Exp Med. Sep 20, 2021; 11(4): 44-54
Published online Sep 20, 2021. doi: 10.5493/wjem.v11.i4.44
Table 1 Demographic and clinical characteristics of serologically positive reverse transcription polymerase chain reaction negative coronavirus disease 2019 patients

n (%)
Agein yr
mean ± SD63.2 ± 13.1
Gender
Male/Female11/11
Symptoms, n (%)
Cough20 (90.9)
Dyspnea14 (63.6)
Fever10 (45.4)
Chest pain8 (36.3)
Duration in d, mean ± SD
From first symptom to admission8.6 ± 7.2
Hospital stay11.2 ± 5.4
From symptoms to antibody test24 ± 17
Drug treatment7.9 ± 3.2