Table 2.
Characteristics of included studies
| Author | Year of publication | Design | Population (primary lumbar hernia/total) | Sex (M/F) | Age (mean or range in years) | Laparoscopic/open repair | Mesh | Recurrence (number of patients) | Incarceration/strangulation (number of patients) | Location lumbar hernia (inferior/superior/bilateral/diffuse) | Follow-up (months, mean + range) |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Alves | 1996 | Retrospective | 4/4 | 1/3 | 58 (54–63) | Open | Marlex® mesh in one case | 1 | – | 0/4/0/0 | 72 (24–120) |
| Arca | 1998 | Retrospective | 5/7 | – | – | Laparoscopic | Polypropylene or PTFE | 0 | – | – | 1–14 |
| Blair | 2015 | Prospective | 10/20 | 40% male | 53 (35–70) | Open | Unspecified | 0 | – | – | 24 (2–99) |
| Cavallaro | 2007 | Prospective | 6/7 | 6/1 | 51–72 | Open | Unspecified | 0 | 0 | 1/4/2§ | 25 (3–36)* |
| Cavallaro | 2009 | 13/13 | – | – | – | Unspecified | – | – | 4/5/0/4 | – | |
| Hsu | 2008 | Prospective | 12/15 | 11/4 | 63.4 (48–81) | – | Unspecified | 1 | 1 | 3/6/3/3§ | 12 |
| Legbo | 2010 | Prospective | 12/37 | 11/26 | 12.6 (8 months–47 years) | – | No mesh | 0 | 0 | – | 9 (3–54) |
| light | 2010 | – | 20/20 | 2/18 | 15–57 | Open | No mesh | 0 | 20 | 20/0/0/0 | 6 |
| Lillie | 2013 | – | 4/4 | 1/3 | 32–60 | – | – | – | 0 | 4/0/0/0 | 48 |
| Memon | 2010 | – | 5/200 | 150/50 | 43.7 (23–65) | Open | Unspecified | 0 | – | – | 15 (6–24) |
| Moreno-Egea | 2007 | – | 3/28 | 13/15 | 63 (44–80) | 17 laparoscopic, 8 open | Unspecified | - | 0 | 9/13/0/6§ | – |
| Moreno-Egea | 2013 | Prospective | 3/55 | 17/18 | 61.6 | Laparoscopic and open | Parietex™ composite/TiMesh™ lightweight | 0† | – | 19/16/0/0§ | 66 (38–170)* |
| Park | 2015 | Retrospective | 10/13 | 3/10 | 3–83 | – | Unspecified | 1 | 2 | 10/2/0/0 (1 congenital)§ | 11.3 (1–38) |
| Zhou | 2004 | Retrospective | 11/11 | 9/3 | 62 (49–78) | Open | Unspecified | 0 | 1 | 11/0/0/0 | 8 (2–24) |
*Median follow-up (range)
†No recurrences in the primary hernia group, one after laparoscopy, and three after an open repair
§The occurrence of different types in the whole population of the study is described, no specifications for the group of patients with a primary lumbar hernia in peticular