Table 4 Summary of studies included in the meta-analysis
Author | Nation | Study type | Publication year | Study period | Sample size | Follow-up (months) | Quality scores | ||
|---|---|---|---|---|---|---|---|---|---|
| Â | Â | Â | Â | Â | LWR | OWR | LWR | OWR | Â |
Ishikawa [29] | Japan | Retro | 2006 | 1993-2004 | 14 | 7 | 60(5–119) | 61(3–130) | 8 |
Mochizuki [30] | Japan | Retro | 2006 | 2000-2004 | 12 | 10 | 26 (6–53) | NR | 8 |
Catena [31] | Italy | Pros | 2008 | 1995-2006 | 21 | 25 | 35(5–58) | 91(80–136) | 9 |
Goh [32] | Singapore | Retro | 2010 | 2001-2009 | 14 | 39 | 8(3–60) | 21(2–72) | 7 |
Lee [33] | Korea | Retro | 2011 | 2001-2008 | 50 | 50 | 21(0–64) | 22(0–93) | 9 |
Wan [34] | China | Retro | 2012 | 2004-2011 | 63 | 64 | NR | NR | 9 |