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Table 3 Laboratory evaluation of immune status of SARS survivors

From: Investigation of the impact of SARS-CoV infection on the immunologic status and lung function after 15 years

  The severe group (N = 23) The non-severe group (N = 35) The control group (N = 57) F/T value P-value
IgA (G/L) 2.20 ± 0.97 2.41 ± 0.97 2.21 ± 0.73 0.555 0.576
IgG (G/L) 11.84 ± 1.97 12.80 ± 2.32 12.94 ± 2.18 2.985 0.055
IgM (G/L) 0.98 ± 0.40 1.03 ± 0.38 1.09 ± 0.45 0.742 0.478
C3 (G/L) 0.88 ± 0.13 0.98 ± 0.18 0.94 ± 0.18 2.928 0.058
C4 (G/L) 0.22 ± 0.06 0.27 ± 0.18 0.22 ± 0.06 3.547 0.032
CD4 + (%) 50.69 ± 13.21 51.82 ± 10.25 51.20 ± 10.10 0.071 0.931
CD8 + (%) 40.82 ± 10.97 39.71 ± 10.61 38.48 ± 9.75 0.569 0.568
CD4 + CD25 + Foxp3 + (%) 3.84 ± 1.43 3.89 ± 1.12 3.34 ± 0.97 2.862 0.061
  1. IgA immunoglobulin A, normal value 0.82–4.53 g/L, IgG immunoglobulin G, normal value 7.2–16.8 g/L, IgM immunoglobulin M, normal value 0.46–3.04 g/L, C3 complement3, normal value 0.79–1.52 d/L, C4 complement4, normal value 0.16–0.38