Bibliografisk note

Funding Information:
The characteristics of each individual study can be seen in Table and a summary of the characteristics across all studies can be seen in Table . The 35 studies evaluated 586,058 patients. Inguinal hernia was investigated by 94% of the studies [, –] and 6% investigated both inguinal and femoral hernias [, ]. Only one of the included studies was an RCT [], whereas the remaining 34 were observational cohort studies with a control group. Use of DaVinci in the intervention group was specified in 80% of the studies [, , –, –, –, , , –] and 20% used register-based codes [, , , , , , ]. In 37% of the studies, the authors declared they had received funding [, , , –, , , –, ], and in 26% they declared that they were funded by or had received grants from Intuitive Surgical [, , –, , , ]. In 14% of the articles, authors declared that they had not received funding [, , , , ], but 49% did not declare whether they were funded or not [–, , , , , , , , –, , ]. In the included articles, 46% declared a conflict of interest [, –, –, , , –, ], 46% declared they had no conflict of interest [, –, –, , , , , , ], and 8% did not declare whether or not they had conflicts of interest [, , ]. Of the included articles, 37% were affiliated with Intuitive Surgical. This was defined as being funded by or receiving grants from Intuitive Surgical, or one or more authors were consultant/proctors for Intuitive Surgical [–, –, , , , ].

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