Study | Reason for exclusion |
---|---|
AANTTAS 1990 | Allocation: Not randomized |
Adams 1993 | Allocation: Not randomized |
Adams 1995 | Allocation: Random Participants: Adults with spasmodic dysphonia Interventions: Unilateral versus bilateral botulinum toxin injections |
Adams 1996 | Allocation: Not randomized |
Aronson 1993 | Allocation: Not randomized |
Benninger 2001 | Allocation: Not randomized |
Bhattacharyya 2001 | Allocation: Not randomized |
Bielamowicz 2000 | Allocation: Not randomized |
Bielamowicz 2001 | Allocation: Random Participants: Adults with abductor spasmodic dysphonia Interventions: Percutaneous versus transnasal injection of botulinum toxin |
Bielamowicz 2002 | Allocation: Not randomized |
Blitzer 1985 | Allocation: Not randomized |
Blitzer 1988 | Allocation: Not randomized |
Blitzer 1991 | Allocation: Not randomized |
Blitzer 1992a | Allocation: Not randomized |
Blitzer 1992b | Allocation: Not randomized |
Blitzer 1998 | Allocation: Not randomized |
Brin 1988 | Allocation: Not randomized |
Brin 1989 | Allocation: Not randomized |
Brin 1998b | Allocation: Not randomized |
Brin 2001 | Allocation: Random Participants: Adults with spasmodic dysphonia Interventions: Unilateral versus bilateral botulinum toxin injections |
Cannito 1994 | Allocation: Not randomized |
Ceballos 1992 | Allocation: Not randomized |
Courey 2000 | Allocation: Not randomized |
Crevier‐Buchman 1997 | Allocation: Not randomized |
Cyrus 2001 | Allocation: Not randomized |
Davidson 1996 | Allocation: Not randomized |
Devriese 1994 | Allocation: Not randomized |
Finnegan 1999 | Allocation: Random Participants: Adults with spasmodic dysphonia Interventions: Botulinum toxin injections into both intrinsic and extrinsic laryngeal muscles versus botulinum toxin injections into intrinsic plus saline into extrinsic muscles |
Fisher 1996 | Allocation: Not randomized |
Fisher 1999 | Allocation: Not randomized |
Ford 1990 | Allocation: Not randomized |
Ford 1992 | Allocation: Not randomized |
Galardi 2001 | Allocation: Not randomized |
George 1992 | Allocation: Not randomized |
Green 1992 | Allocation: Not randomized |
Inagi 1996 | Allocation: Not randomized |
Jankovic 1990 | Allocation: Not randomized |
Klap 1991 | Allocation: Not randomized |
Klap 1993 | Allocation: Not randomized |
Kobayashi 1993 | Allocation: Not randomized |
Koriwchak 1996 | Allocation: Not randomized |
Langeveld 1998 | Allocation: Not randomized |
Langeveld 2001 | Allocation: Not randomized |
Lees 1992 | Allocation: Not randomized |
Liu 1996 | Allocation: Not randomized |
Loven 1993 | Allocation: Not randomized |
Loven 1994 | Allocation: Not randomized |
Ludlow 1988 | Allocation: Not randomized |
Ludlow 1990 | Allocation: Not randomized |
Ludlow 1991 | Allocation: Not randomized |
Ludlow 1992 | Allocation: Not randomized |
Lundy 1998 | Allocation: Not randomized |
Maloney 1994 | Allocation: Not randomized |
Marion 1992 | Allocation: Not randomized |
Maurri 1992 | Allocation: Not randomized |
Mehta 2001 | Allocation: Not randomized |
Meleca 1997 | Allocation: Not randomized |
Miller 1987 | Allocation: Not randomized |
Murry 1995 | Allocation: Not randomized |
Papathanasiou 1997 | Allocation: Not randomized |
Poungvarin 1995 | Allocation: Not randomized |
Rhew 1994 | Allocation: Not randomized |
Rodriguez 1994 | Allocation: Not randomized |
Rontal 1991 | Allocation: Not randomized |
Rosen 1999 | Allocation: Not randomized |
Ruiz 1998 | Allocation: Not randomized |
Sapienza 2002 | Allocation: Not randomized |
Schonweiler 1998 | Allocation: Not randomized |
Smith 2000 | Allocation: Not randomized |
Teive 2001 | Allocation: Not randomized |
Thomas 2006 | Allocation: Randomized Participants: Adult patients with adductor spasmodic dysphonia Interventions: Frozen versus fresh reconstituted botulinum toxin type A |
Tish 2003 | Allocation: Not randomized |
Whurr 1993 | Allocation: Not randomized |
Whurr 1997 | Allocation: Not randomized |
Whurr 1998 | Allocation: Not randomized |
Wong 1995a | Allocation: Randomized Participants: Adults with spasmodic dysphonia Interventions: Botulinum toxin with vocalization versus botulinum toxin without vocalization |
Wong 1995b | Allocation: Randomized Participants: Adults with spasmodic dysphonia Interventions: Botulinum toxin with vocalization versus botulinum toxin without vocalization |
Zwirner 1991 | Allocation: Not randomized |
Zwirner 1992 | Allocation: Not randomized |
Zwirner 1993a | Allocation: Not randomized |
Zwirner 1993b | Allocation: Not randomized |
Zwirner 1997 | Allocation: Not randomized |