Data Extraction
After the screening step, we extracted the following data from the eligible studies using a previous formatted data extraction sheet: (1) Summary of the included studies including study design, sites and time, participants and main inclusion criteria, total sample size, type of laparoscopic surgery, type of traditional surgery, number of patients assigned to each type, investigations, results, conclusion of each study, (2) baseline characteristics of the patients in each study including groups, Cases number in each group, age, gestational age (days), number of symptomatic women at diagnosis, number of ruptured ectopic, parity, gravidity, and, risk factors for developing interstitial pregnancy in recruited patients, (3) any repeated outcomes (reported by two or more studies) including postoperative hospital stay (days), operative time (minutes), blood loss (ml), post and intraoperative complications, need for blood transfusion. Data for continuous outcomes were extracted as a mean and standard deviation and dichotomous outcomes, events and total were extracted.