Table 1 Baseline characteristics of studies included in the meta-analysis
Reference (Year) | Enrolment interval (country) | Group | No. of patients (M /F) | Mean age (years) | Disease Ma/Be | Type of operation | Quality score |
|---|---|---|---|---|---|---|---|
Tani et al. [7] (2006) | 2002-2004 (Japan) | Antecolic | 20 (11/9) | 63.1 ± 9.21 | 16/4 | All PPPD | 2 |
Retrocolic | 20 (10/10) | 66.7 ± 12.2 | 16/4 | All PPPD | |||
Gangavatiker et al. [10] (2011) | 2006-2008 (India) | Antecolic | 32 (23/9) | 52.8 ± 11.6 | 27/5 | PPPD:10; CPD:22 | 2 |
Retrocolic | 36 (26/10) | 50.8 ± 10.6 | 32/4 | PPPD:14; CPD:22 | |||
Imamura et al. [11] (2013) | 2005-2011 (Japan) | Antecolic | 58 (36/22) | 70.0 (36–86) | 46/12 | All PPPD | 2 |
Retrocolic | 58 (32/26) | 69.0 (46–86) | 49/9 | All PPPD | |||
Eshuis et al. [12] (2013) | 2009-2011 (the Netherlands) | Antecolic | 121 (83/38) | 65.4 ± 9.0 | 108/13 | PPPD:93; CPD:28 | 2 |
Retrocolic | 125 (68/57) | 65.2 ± 10.3 | 119/6 | PPPD:105; CPD:20 | |||
Tamandl et al. [13] (2013) | 2007-2009 (Austria) | Antecolic | 36 (17/19) | 67.1 (55.7–75.3) | 28/8 | All PPPD | 2 |
Retrocolic | 28 (12/16) | 65.4 (55.6–70.6) | 20/8 | All PPPD |