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Table 1 Comparison of demographic characteristics of the study population between four groups

From: The impact of gestational weeks of Coronavirus disease 2019 (COVID-19) infection on perinatal outcomes

Variables

Group1 (N = 175)

Group2 (N = 176)

Group3 (N = 200)

Group 4 (N = 60)

F/χ2

P

Maternal age (years)

30 ± 3.9

30.8 ± 4.3

30.3 ± 3.7

30.1 ± 3.8

1.22

0.300

BMI (kg/m2)

21.8 ± 3

21.8 ± 3.7

21.6 ± 3.1

21.6 ± 2.7

0.25

0.862

Gravidity (n, %)

    

0.67

0.716

 1

84 (48)

61 (34.7)

92 (46)

30 (50)

  

 2

51 (29.1)

59 (33.5)

60(30)

20 (33.3)

  

 ≥ 3

40 (22.9)

56 (31.8)

48 (24)

10 (16.7)

  

Multiparity (n, %)

62 (35.4)

81 (46.0)

69 (34.5)

18 (30.0)

0.98

0.322

  1. BMI: body mass index; data are expressed as mean ± SD or n (%); P < 0.05, considered statistically significant. Group 1 participants were infected with COVID-19 during 14–27+6 weeks gestation; Group 2 participants were infected with COVID-19 during 28–36+6 weeks gestation; Group 3 participants were infected with COVID-19 during 37–39+6 weeks gestation; Group 4 participants COVID-19 infection with gestational weeks ≥ 40 weeks