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Table 2 Cervical length measurement and gestational age at birth

From: Association between cervical length and gestational age at birth in singleton pregnancies: a multicentric prospective cohort study in the Brazilian population

  

Overall PTB < 37

 ≥ 37w

OR (95%CI)

Spontaneous (sPTB) < 37

 ≥ 37w

OR (95%CI)

Spontaneous (sPTB) < 34

 ≥ 34w

OR (95%CI)

  

n or Mean

% or ± SD

n or Mean

% or ± SD

 

n or Mean

% or ± SD

n or Mean

% or ± SD

 

n or Mean

% or ± SD

n or Mean

% or ± SD

 

GA at measurement (days)

145.9

 ± 8.8

146

 ± 8.8

   

146

 ± 8.8

 

144.6

 ± 8.6

146.0

 ± 8.8

 

CL at measurement (mm)

               

 ≤ 10 mm

11

2.4

7

0.3

11.17(4.37–30.55)

8

3.6

7

0.3

17.98 (6.37–51.90)

7

8.9

9

(0.3

44.9(15.45–125.87)

 10–≤ 15 mm

9

1.9

10

0.4

6.4 (2.53–15.99)

6

2.7

10

0.4

9.44(3.17–25.76)

3

3.8

13

0.4

13.32 (2.98–43.09)

 15–≤ 20 mm

15

3.3

32

1.2

3.33 (1.74–6.11)

9

4.0

32

1.2

4.42 (1.96–9.06)

6

7.7

40

1.3

8.66 (3.17–20.09)

 20–≤ 25 mm

38

8.4

106

3.9

2.55 (1.71–3.72)

20

8.9

106

3.9

2.97 (1.75–4.82)

10

12.8

124

4.2

4.66 (2.17–9.09)

 25–≤ 30 mm

46

10.2

156

5.8

2.10 (1.47–2.95)

29

13.0

156

5.8

2.92 (1.87–4.43)

7

8.9

192

6.4

2.10 (0.86–4.44)

 > 30 mm

334

73.7

2375

88.4

 

151

67.7

2375

88.4

 

45

57.7

2598

87.3

 

Funneling at measurement (yes)

46

10.2

59

2.2

5.03 (3.36–7.49)

30

13.5

59

2.2

6.92(4.31–10.92)

17

21.8

79

2.6

10.22 (5.57–17.95)

Sludge at measurement (yes)

33

7.3

59

2.2

3.50 (2.24–5.39)

18

8.1

59

2.2

3.91 (2.20–6.62)

10

12.8

76

2.5

5.61 (2.63–10.86)

  1. Data are number (%) or mean (± SD). OR values in bold mean that they are significant at a P-value < 0.05
  2. GA gestational age, CL cervical length