Table 2.
Study | Randomization | Allocation Concealment | Blinding | Baseline Imbalance | % Lost to F/U | Source of Funding |
---|---|---|---|---|---|---|
Castelo-Branco, 2001 [20] | Yes, method NR | NR | NR | NR | 24 | NR or unclear |
Gibson, 1999 [21] | Yes, method NR | NR | OCP group had no blinding, the other 2 groups had double blinding | NR | NR | NR or unclear |
Warren, 2003 [22] | Yes, method NR | NR | NR | NR | NR | NIH funded, but pharmaceutical company donated medications |