Table 1 Characteristics of populations and studies
From: Operating room organization and surgical performance: a systematic review
Overall number of studies | N = 76 |
|---|---|
Geographical area of the study or of the author’s affiliations | N (%) |
 North America | 53 (69.7) |
 Europe | 20 (26.3) |
 Asia | 3 (4) |
Number of centers | N (%) |
 Monocentric | 46 (60.5) |
 Multicenter [median 4.5 (2–258)] | 30 (39.5) |
Surgical specialty | N (%) |
 Digestive and general | 30 (39.4) |
 Orthopedic | 13 (17.1) |
 Cardiovascular and thoracic | 9 (11.8) |
 Pediatric | 9 (11.8) |
 Urology | 7 (9.2) |
 Gynecology | 6 (7.8) |
 Neurosurgery | 4 (5.2) |
 Ophthalmology and Otorhinolaryngology | 3 (4) |
 Undifferentiated | 1 (1.3) |
Operating room team | Median (range) |
 Number of surgeons (n = 52) | 3 (1–688) |
 Number of surgical resident (n = 33) | 11 (1–1396) |
 Number of anesthetist (n = 7) | 15 (1–168) |
 Number of nurses (n = 10) | 72 (7–3432) |
Population | Median (range) |
 Number of patients operated (n = 72) | 1031 (6–89,720) |
Type of surgery evaluated | N (%) |
 Laparoscopic/endoscopic/endovascular | 29 (38.1) |
 Open | 27 (35.5) |
 Robotic | 4 (5.2) |
 Missing | 30 (39.4) |
Scheduled/emergency procedure | N (%) |
 Elective | 59 (77.1) |
 Emergency | 3 (4) |
 Missing | 14 (18.9) |
Study Design | N (%) |
 Observational study | 67 (88.1) |
 Cross-sectional | 46 (60.5) |
 Longitudinal | 21 (27.6) |
 Interventional study | 9 (11.7) |
 Quasi-experimental study | 5 (6.5) |
 Randomized trial | 4 (5.2) |
Data source | N (%) |
 Ad hoc register | 22 (28.9) |
 Medico-administrative | 11 (14.4) |
 Electronic health records | 60 (78.9) |