Table 1. Baseline characteristics of the included studies.
| Study | Year | Design | Time | Period | Geography | Group | No. | Gender (M) | Age (y)* | Quality |
|---|---|---|---|---|---|---|---|---|---|---|
| Thornton [8] | 2002 | Retro | NA | 1997.07–2001.03 | Ireland | PEG | 11 | NA | NA | 7 |
| PRG | 25 | NA | NA | |||||||
| Chio [9] | 2004 | Retro | 2 m | 2000.10–2002.12 | Italy | PEG | 25 | 13 | 65.1 ± 10.3 | 7 |
| PRG | 25 | 12 | 68.9 ± 9.5 | |||||||
| Desport [6] | 2005 | Pros | NA | 1999.03–2002.11 | France | PEG | 30 | 12 | 65.7 ± 10.3 | 6 |
| RIG | 20 | 4 | 66.1 ± 9.7 | |||||||
| Shaw [12] | 2006 | Retro | NA | 1998.11–2003.11 | UK | PEG | 18 | 9 | 62 (26–85) | 5 |
| RIG | 72 | 38 | 60 (31–86) | |||||||
| Blondet [7] | 2010 | Retro | NA | 1999–2005 | France | PEG | 18 | 6 | 66.2 ± 11.2 | 3 |
| PRG | 22 | 11 | 66 ± 12 | |||||||
| Allen [10] | 2013 | Retro | NA | 2009.01–2012.03 | USA | PEG | 57 | 35 | 59.7 ± 11.6 | 8 |
| RIG | 51 | 29 | 59.0 ± 11.3 | |||||||
| PEG | 163 | 90 | 64.2 ± 11.7 | 9 | ||||||
| RIG | 121 | 62 | 63.6 ± 9.8 | |||||||
| ProGas Study Group [5] | 2015 | Pros | 12 m | 2010.11–2014.01 | UK | PRG | 43 | 25 | 67.2 ± 12.6 |
y, year; Retro, retrospective; Pros, prospective; NA, not applicable; m, month; M, male; PEG, Percutaneous Endoscopic Gastrostomy; PRG, Per-oral Image-Guided Gastrostomy; RIG, Radiologically Inserted Gastrostomy.