Table 2.
Basic information from the published reports (drainage vs. no drainage)
| Author | Publication year | Collection time | Sample (n) | Recurrence/+I+D (n) | Recurrence/+I–D (n) | Randomized controlled | Mean age (years) |
|---|---|---|---|---|---|---|---|
| Laumer et al.10) | 1989 | 1984.9–1987.9 | 96 | 13/49 | 12/47 | Randomized | Not mentioned |
| Wakai et al.11) | 1990 | 1986.3–1987.9 | 38 | 1/20 | 6/18 | Not mentioned | 70.8/71.7 |
| Tsutsumi et al.12) | 1997 | 1992.7–1996.6 | 118 | 2/65 | 9/53 | Randomized | 68.0/69.7 |
| Erol et al.13)] | 2005 | 1994–2002 | 70 | 5/35 | 6/35 | Randomized | Not mentioned |
| Santarius et al.14) | 2009 | 2004.11–2007.11 | 215 | 10/108 | 26/107 | Randomized | 74.4/77.9 |
| Carlsen et al.15) | 2011 | 2004–2009 | 344 | 29/206 | 36/138 | Not mentioned | Not mentioned |
| Javadi et al.16) | 2011 | 2007.6–2009.7 | 40 | 1/20 | 1/20 | Randomized | 68/65 |
| Seçer et al.17) | 2012 | 2001–2008 | 32 | 0/12 | 5/20 | Not mentioned | 72.33/69.55 |
+I+D: irrigation and drainage, –I+D: drainage alone, +I–D: irrigation alone.