Vertex presentation (N = 122)

Posterior varieties

Non-posterior varieties

OR

IC (95%)

p

Median age [q1 - q3]

30 [25.5 - 33.5]

27.5[24 - 34]

>0.05

Median parity [q1 - q3]

2 [1.5 - 3.5]

2 [1 - 3]

>0.05

BMI n (%)

3.4

1.07 - 11.07

<0.05

- Normal

24 (44.4)

47 (69.1)

- Overweight

20 (37.1)

16 (23.5)

- Obesity

10 (18.5)

5 (7.4)

Examiner n (%)

2.7

1.21 - 6.07

<0.05

- Specialist

21 (52.5)

31 (35.6)

- Student

14 (47.5)

56 (64.4)

Sero-sanguine hump n (%)

11 (31.4)

5 (5.7)

7.5

2.38 - 23.77

<0.05