Table 1 Study characteristics
Study | Design | Group | Total N | Age | N | Inclusion | Exclusion | Repair used |
|---|---|---|---|---|---|---|---|---|
Burney RE 2004 [4] | RCT | SA | 33 | ≥18 years | 15 | Unilateral hernia | Recurrent or bilateral hernia | Open inguinal repair |
GA | ≥ 18 years | 18 | ||||||
Donmez T 2016 [8] | RCT | SA | 50 | 37.16 ± 10.85 | 25 | Uncomplicated hernia | Complicated inguinal hernia (irreducible, obstructed, or strangulated); Recurrent hernias | TEP |
GA | 35.36 ± 11.40 | 25 | ||||||
Ismail M 2009 [10] | Cohort study | SA | 652 | 46.1 ± 14.1 | 636 | Reducible inguinal hernia | Obstructed and strangulated hernias, pediatric hernias, and other hernias, such as ventral hernias | TEP |
GA | 43.3 ± 15.6 | 16 | ||||||
Ozgün H 2002 [15] | RCT | SA | 50 | 51.4 ± 15.1 | 25 | Unilateral, reducible, direct or indirecthernia; types II and III according to the Nyhus classication | Scrotal, sliding, recurrent hernias | Open inguinal repair |
GA | 46.9 ± 19.8 | 25 | ||||||
Pere 2016 [16] | RCT | SA | 100 | 51 ± 15 | 49 | Unilateral | Not reported | Open inguinal repair |
GA | 54 ± 15 | 51 | ||||||
Sarakatsianou C 2017 [11] | RCT | SA | 70 | 58.85 ± 13.54 | 34 | Non-high risk; primary, unilateralinguinal hernia | Non-reducible/obstructed hernias, bilateral hernias, big scrotal hernias | TAPP |
GA | 57.64 ± 15.77 | 36 | ||||||
Sinha R 2008 [9] | Cohort study | SA | 529 | 32.2 | 480 | Unilateral or bilateral, direct or indirect, recurrent inguinal hernia | Obstructed and strangulatedinguinal hernia | TEP |
GA | 33.7 | 49 | ||||||
Sunamak 2018 (1) [12] | Cohort study | SA | 207 | 31.8 ± 10.9 | 96 | Unilateral hernia | Recurrent hernias, strangulated, incarcerated, or bilateral hernia | TEP |
GA | 39.9 ± 16.2 | 111 | ||||||
Sunamak 2018 (2) [12] | Cohort study | SA | 233 | 38.1 ± 16.8 | 116 | Unilateral hernia | Recurrent hernias, strangulated, incarcerated, or bilateral hernia | Open inguinal repair |
GA | 39.1 ± 16.5 | 117 | ||||||
Symeonidis 2013 | Cohort study | SA | 75 | 56.04 ± 13.44 | 50 | Unilateral | Scrotal, recurrent, bilateral, strangulated, or incarcerated hernias | Open inguinal repair |
GA | 61.28 ± 11.42 | 25 | ||||||
Urbach 1964 [13] | RCT | SA | 514 | 48 (17–71) | 236 | Unilateral or bilateral inguinal hernia | Not reported | Open inguinal repair |
GA | 43 (18–75) | 278 | ||||||
Yildirim D 2017 [14] | Cohort study | SA | 80 | 35.0 ± 11.3 | 40 | Direct or indirect hernia | Strangled, bilateral, hernia, recurrent hernia | TEP |
GA | 36.4 ± 10.0 | 40 |