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. 2021 Sep 28;113:58–64. doi: 10.1016/j.ijid.2021.09.060

Table 1.

Demographic characteristics and antibody response in vaccinated group and Covid-19 cases

Vaccinated group (n=80) Covid-19 cases (n=80) P value
Gender — no. (%)
Female 57 (71,3) 56 (70) 0,862
Male 23 (28,8) 24 (30)
Age —years 0,081
Median (IQR) 43,5 (33-50) 39,5 (31,25-46)
Range 21-58 21-64
Antibody testing time 0,806
Mean (±SD) 44,33 (±15,929) 44,93 (±14,930)
Range 15-75 15-74
Antibody testing time — Mean (±SD)
Anti-S1 IgG seropositive 43,91 (±15,635) 45,55 (±14,433) 0,502
Anti-S1 IgG seronegative 55 (±23,580) 37,17 (±20,064) 0,358
Anti-S1 IgG seropositive — n (%) 77 (96,2) 74 (92,5) 0,303
Gender in Anti-S1 IgG seropositive — n (%)
Female 55 (96,5) 52 (92,9) 0,516
Male 22 (95,7) 22 (91,7)
Titers of Anti-S1 IgG
Median (IQR) 3,169 (2,318-4,275) 4,367 (2,552-6,407) 0,012
Range 0,482-9,145 0,169-10,117
Anti-N total seropositive — n (%) 41 (51,2) 79 (98,8) <0,0001
Gender in Anti-N total seropositive — n (%)
Female 32 (56,1) 55 (98,2) <0,0001
Male 9 (39,1) 24 (100)
Titers of Anti-N total
Median (IQR) 0,992 (0,369-2,895) 34,95 (16,115-63,388) <0,0001
Range 0,08-8,85 0,737-149,9)