Skip to main content

Table 1 Demographic characteristics of the patients enrolled in the cross-sectional study

From: The seroprevalence and kinetics of IgM and IgG in the progression of COVID-19

   Beijing Tianjin Wuhan Shijiazhuang Sum P value
COVID-19
confirmed
patients
Cases 12 127 29 67 235
average interval from onset to sampling (days) 3.3 10.4 20.9 13.5
Age 40.0 (34.0,63.0) 49.0 (36.0,61.0) 61.0 (46.5,69.0) 44.0 (34.0,65.0) 49.0 (35.0,64.0) 0.048
Male 5 (41.7%) 64 (50.4%) 16 (55.2%) 45 (67.2%) 130 (55.3%) 0.114
seroprevalence of IgG 75.0% 95.3% 75.9% 95.5% 91.9% < 0.001
seroprevalence of IgM 75.0% 95.3% 75.9% 97.0% 92.3% < 0.001
Suspected
patients
Cases 132 20 184 336
Age 45.5 (29.0,63.0) 63.5 (50.8,70.8) 33.0 (26.0,44.0) 37.0 (28.8,56.0) < 0.001
Male 61 (46.2%) 12 (60.0%) 96 (59.8%) 183 (54.5%) 0.051
  seroprevalence of IgG 3.8% 0.0% 1.1% 2.1% < 0.001
  seroprevalence of IgM 13.1% 0.0% 0.5% 5.4% < 0.001
  1. P < 0.05 was considered a significant difference between groups