Table 1 Costs and relative probabilities of birth outcomes through vaginal and caesarean delivery mode by BMI classification and GDM status

Probabilities

Any vaginal birth

0.54 (0.44, 0.65)

0.59 (0.53, 0.64)

0.56 (0.43,0.68)

0.61 (0.56, 0.67)

Major complex birth outcome vaginal delivery*

0.85 (0.78, 0.93)

0.64 (0.59, 0.70)

0.82 (0.72,0.91)

0.62 (0.57, 0.67)

Any caesarean section

0.46 (0.34, 0.57)

0.41 (0.35, 0.48)

0.44 (0.31,0.58)

0.39 (0.32, 0.45)

Major complex birth outcome caesarean section*

0.88 (0.81, 0.96)

0.67 (0.60, 0.73)

0.73 (0.61,0.85)

0.55 (0.48,0.61)

Costs

Minor complexity vaginal birth

$11,577 ($4,653)

$10,302 ($4,417)

$11,324 ($3,571)

$11,170 ($5,221)

Major complexity vaginal birth

$19,170 ($25,602)

$19,961 ($32,001)

$23,305 ($35,274)

$17,434 ($27,376)

Minor complexity caesarean section

$15,712 ($4,113)

$15,936 ($4,370)

$16,360 ($3,408)

$15,137 ($4,154)

Major complexity caesarean section

$32,311 ($38,686)

$44,385 ($51,696)

$30,498 ($32,865)

$31,281 ($38,558)