Odds of instrumental conventional birth= 64 995/513 022 = 0.127
Odds of instrumental TM birth= 0.84 OR from meta-analysis × 0.127 = 0.107
Number of instrumental TM births= 55 870
Reduction in instrumental births due to TM= 64 995 − 55 870 = 9125
Cost of instrumental vaginal birth= £1,263
Cost of normal vaginal birth= £863
Cost saving of reduction in instrumental births due to TM= 9125 × (£1,263 - £863) = £3.65 million
Cost saving per birth= £3,650,000/578 017 = £6.30

From: 4, Care throughout labour

Cover of Intrapartum Care
Intrapartum Care: Care of Healthy Women and Their Babies During Childbirth.
NICE Clinical Guidelines, No. 55.
National Collaborating Centre for Women's and Children's Health (UK).
London: RCOG Press; 2007 Sep.
Copyright © 2007, National Collaborating Centre for Women’s and Children’s Health.

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