Review
|
Year
|
NCT*
|
Quality
|
Internal Validity Problems
|
---|
1. Lehnert [37]
|
1993
|
5
|
Good
|
None Stated
|
2. Rosenfeld et al. [39]
|
1994
|
4
|
High
|
None Stated
|
3. Del Mar et al. [40]
|
1997
|
8
|
10/11
|
None Stated
|
4. Froom et al. [53]
|
1997
|
7
|
Adequate
|
None Stated
|
5. Cantekin [38]
|
1998
|
8
|
Not Good
|
Baseline Comparability
|
6. Marcy et al. [41]
|
2001
|
6
|
4/5
|
Dropouts Description
|
7. Glasziou et al. [42]
|
2003
|
10
|
High
|
Baseline Comparability, MO†
|
8. Rosenfeld [46]
|
2003
|
9
|
High
|
None Stated
|
9. Rovers et al. [43]
|
2006
|
6
|
High
|
None Stated
|
- *NCT = Number of Controlled Trials; †MO = Misidentified Outcome