Study design
Following Shaare Zedek Medical Center (SZMC) IRB approval (SZMC 0064-20)
and given that the study was based on patient records, informed consent
was waived. A retrospective cohort database study was conducted at
Shaare Zedek Medical Center
(SZMC), a tertiary obstetric and trauma center.
Clinical setting: The SZMC is a 1000-bed university-affiliated acute
care hospital with a Division of Obstetrics that includes a high-risk
pregnancy unit, two labor and delivery wards with 16 delivery rooms, two
dedicated obstetric operating rooms and four maternity wards. There were
approximately 15,000 annual delivery admissions during the study period.
The SZMC is a level 2 trauma center in the center of Jerusalem, Israel,
with annual trauma admissions of approximately 3000 patients. The trauma
center serves a population of about 2 million including the city of
Jerusalem and its surroundings, and patients from the West Bank. Our
trauma center data is collected and analyzed as part of the National
Israeli Trauma Database.