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Figure 3 | BMC Health Services Research

Figure 3

From: Evaluating maternity care using national administrative health datasets: How are statistics affected by the quality of data on method of delivery?

Figure 3

Mean difference plots: Impact of using different method of delivery definitions on trust-level rates of : a) emergency caesarean section; b) third and fourth degree perineal tears amongst instrumental deliveries, and c) elective caesarean section for breech presentation. Definition 1: Use all episodes with an OPCS method of delivery code & base method of delivery definitions on OPCS codes alone; Definition 3: Uses only episodes in which both OPCS and maternity tail codes are present and in agreement; base method of delivery definitions on agreed method of delivery code.

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BMC Health Services Research

ISSN: 1472-6963

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