Table 3.
Quality assessment
| Author, year of publication | Method of randomisation [+/(+)/-] | Concealment [+/(+)/-] | Blinding of the examiner [+/(+)/-] |
|---|---|---|---|
| Aimetti [36] | + | + | + |
| Computer generated list | |||
| Cionca [43] | + | + | + |
| Computer generated list | |||
| Ferres 2012 [41] | + | + | + |
| Computer generated list | |||
| Heller [45] | + | + | + |
| Computer generated list | |||
| Matarazzo [40] | + | + | + |
| Computer generated list | |||
| Mestnik [37] | + | + | + |
| Computer generated table | |||
| Mombelli [24] | + | + | + |
| Computer generated list | |||
| Preus [99] | + | + | + |
| Computer generated table | |||
| Sigusch 2001 [57] | (+) | - | (+) |
| Winkel [48] | (+) | - | + |
| Winkel [49] | (+) | - | + |
| Xajigeorgiou [50] | + | - | + |
| Randomization table |
+ modality explained.
(+) claimed without further explanation.
- not reported.