Study | Randomisation method | Double blind | Description of withdrawals and dropouts |
---|---|---|---|
Alevizos et al, 198930 | Random numbers | Yes | Yes |
Awad et al, 199514 | No method described | Yes | Yes |
Baldiet al, 199215 | No method described | Yes | Yes |
Barbier et al, 198931 | Drawing lots | Yes | Yes |
Cannet al, 199447 | No method described | Yes | Yes |
Centonze et al, 198816 | No method described | Yes | Yes |
Chapmanet al, 199026 | No method described | No | Yes |
Cook et al, 19907 | No method described | Yes | Yes |
Dapoignyet al, 199548 | No method described | Yes | Yes |
Dobrilla et al, 199017 | Consecutive outpatients | Yes | Yes |
Efskind et al, 199640 | No method described | Yes | Yes |
Farup et al, 199837 | No method described | Yes | Yes |
Gade and Thorn, 198949 | No method described | Yes | Yes |
Greenbaum et al, 198732 | No method described | Yes | Yes |
Goldberget al, 199634 | No method described | Yes | Yes |
Halpern et al, 199641 | No method described | Yes | Yes |
Hovdenak, 198742 | No method described | Yes | Yes |
Jalihal and Kurian, 19908 | No method described | Yes | Yes |
Lavoet al, 198743 | No method described | Yes | Yes |
Lawson et al, 198818 | No method described | Yes | Yes |
Lechet al, 198819 | No method described | Yes | Yes |
Liu et al, 199720 | No method described | Yes | Yes |
Luceyet al, 19879 | No method described | Yes | Yes |
Lunardi et al, 199144 | No method described | Yes | Yes |
Mathiaset al, 1994a50 | No method described | Yes | Yes |
Mathias et al, 1994b51 | No method described | Yes | Yes |
Maxtonet al, 199635 | No method described | Yes | Yes |
Misra et al, 198927 | Consecutive patients | No | Yes |
Mollica and Mano, 199221 | No method described | Yes | Yes |
Nayaket al, 199728 | No method described | Yes | Yes |
Passaretti et al, 198922 | Consecutive outpatients | Yes | Yes |
Prior and Whorwell, 198710 | Consecutive patients | Yes | Yes |
Prioret al, 198845 | No method described | Yes | Yes |
Rodriguez-Magallan et al, 199746 | No method described | Yes | Yes |
Schafer and Ewe, 199023 | No method described | Yes | Yes |
Shaw et al, 199124 | No method described | No | Yes |
Schutzeet al, 199738 | No method described | Yes | Yes |
Snook and Sheperd, 199411 | Consecutive patients | Yes | Yes |
Steadmanet al, 199236 | No method described | Yes | Yes |
Tanum and Malt, 199633 | No method described | Yes | Yes |
Tomas Ridocci et al, 199213 | No method described | Yes | Yes |
Toskes et al, 199312 | No method described | Yes | Yes |
Van Outyrve et al, 199139 | No method described | Yes | Yes |
Van Outryve et al, 199525 | No method described | Yes | Yes |
Villagrasaet al, 199129 | No method described | No | No |