Sonographer pairs

Pelvic inlet diameter differences (cm)

Minimum

Maximum

Mean

(95% CI)

SD

A and B

−2.01

2.02

0.05

(−2.09 to 2.19)

1.09

A and C

−1.57

2.45

0.33

(−1.86 to 2.52)

1.12

B and C

−0.31

1.75

0.28

(−0.87 to 1.42)

0.58