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Journal of the Egyptian Public Health Association

Table 2 Seroconversion of anti-NP and anti-S antibodies in relation to the days elapsed after the onset of symptoms of COVID-19 among 91 home-isolated patients, Alexandria, Egypta

From: Delayed seropositivity is associated with lower levels of SARS-CoV-2 antibody levels in patients with mild to moderate COVID-19

Days after onset of symptoms

Anti-NP

Anti-S

 

N

%

N

%

*p

15

69

75.9%

76

82.6%

0.283

25

16

17.6%

11

12.0%

0.413

35

5

5.4%

2

2.2%

0.459

45

0

0.0%

1

1.1%

0.999

55

1

1.1%

1

1.1%

0.477

  1. *p < 0.05 (significant)
  2. aOne patient remained negative for anti-NP and another patient remained negative for anti-spike antibodies beyond 55 days after onset of symptoms and therefore they were not included in this table
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