Table 1 Demographics and cohort characteristics of the study population (n = 531).

From: Differential persistence of neutralizing antibody against SARS-CoV-2 in post immunized Bangladeshi population

Characteristics

n (%)

Characteristics

n (%)

Age, year

 

Tobacco user

99 (18.6)

Mean (SD)

42.3 (10.5)

Comorbidities

 

Median (IQR)

42 (35–50)

Type 2 Diabetes

63 (11.8)

Age category, (n, %)

 

Hypertension

132 (24.9)

 < 50 years

390 (73.4)

Asthma

45 (8.5)

 ≥ 50 years

141 (26.6)

NAb titers after 30 days of 2nd dosage

 

Sex (n, %)

 

Mean (SD)

83.4 (21.4)

Male

309(58.2)

Median (IQR)

92 (78–97)

Female

222 (41.8)

NAb titer after 30 days of 2nd dosage (n, %)

 

BMI

 

 < 70

90 (17.0)

Mean (SD)

26.8 (3.4)

70–95

213 (40.1)

Median (IQR)

25.6 (24.1–27.3)

 ≥ 96

228 (42.9)

BMI cut-off (n, %)

 

NAb titers after 180 days of 2nd dosage

 

 < 30

484 (91.1)

Mean (SD)

54.9 (27.0)

 ≥ 30

47 (8.9)

Median (IQR)

58 (32–77)

COVID-19 positive*

129 (24.3)

NAb titer after 180 days of 2nd dosage (n, %)

 

Profession

 

 < 70

318 (59.9)

Medical staff

298 (56.1)

70–95

186 (35.0)

Non-medical staff

233 (43.9)

 ≥ 96

27 (5.1)

  1. SD standard deviation, IQR interquartile range, NAb neutralizing antibody.
  2. *Subjects who tested positive 30 days prior vaccination.