“…Computer entry by trained clerks or midwives, using online validation, prompting, and standard definitions for clinical measurements, produced high-quality data. 17,18 In compliance with Section 60 of the Health and Social Care Act 2001 (United Kingdom), direct identifiers such as names, addresses, and hospital numbers were removed from our data set. All analyses were performed on this nonattributable data set, which contains no patient identifiers.…”