Table 1 Characteristics of the six included studies in the meta-analysis
Study (author, year) | Rozental 2009 | Marcheix 2010 | Hollevoet 2011 | Mcfadyen 2011 | Karantana 2013 | Costa 2014 | Goehre 2014 | |||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Design | RCT | RCT | RCT | RCT | RCT | RCT | RCT | |||||||
Treatment | VLP | Pin | VLP | Pin | VLP | Pin | VLP | Pin | VLP | Pin | VLP | Pin | VLP | Pin |
Sample number | 23 | 22 | 50 | 53 | 20 | 20 | 27 | 29 | 66 | 64 | 231 | 230 | 21 | 19 |
Age (years) | 51(19 to 77) | 52(24 to 79) | 75 ± 11 | 73 ± 11 | >50 | 26–80 | 18–80 | 18 to 73 | 58.3 ± 14.9 | 59.7 ± 16.4 | 71.3 ± 5.7 | 73.8 ± 8.9 | ||
Male/female | 7/16 | 4/17 | 12/38 | 5/48 | NA | 12/15 | 11/18 | NA | NA | 3/18 | 0/19 | |||
AO classification (A/B/C) | 10/0/13 | 6/0/15 | 17/0/33 | 23/0/29 | NA | 27/0/0 | 29/0/0 | 27/0/39 | 28/0/36 | 149/5/75 | 157/3/66 | 18/0/3 | 15/0/4 | |
Follow-up (month) | 12 | 6 | 12 | 6 | 12 | 12 | 12 | |||||||