| Study | Reason for exclusion |
|---|---|
| Angus 1997 | Allocation: 'double blind'. Participants: those with a psychotic illness. Interventions: amantadine hydrochloride versus neuroleptic, not haloperidol decanoate. |
| Baastrup 1993 | Allocation: randomised. Participants: those with exacerbation of chronic psychosis. Interventions: haloperidol decanoate and oral versus zuclopenthixol acetate versus zuclopenthixol decanoate. Outcomes: no usable data, haloperidol decanoate and oral data pooled. |
| Bucci 1985 | Allocation: not randomised. |
| Cookson 1991 | Allocation: 'double blind'. Participants: those with schizophrenia. Interventions: haloperidol decanoate versus fluphenazine decanoate. Outcomes: no usable data, authors contacted and have replied redirecting the request to a third party who has been contacted. |
| Curson 1985 | Allocation: randomised. Participants: those with schizophrenia. Interventions: fluphenazine decanoate versus placebo, not haloperidol decanoate. |
| Deberdt 1980 | Allocation: not randomised. |
| Dencker 1980 | Allocation: randomised. Participants: those with schizophrenia. Interventions: clopenthixol depot versus flupehthixol depot, not haloperidol decanoate. |
| Dencker 1994 | Allocation: randomised. Participants: those with schizophrenia. Interventions: haloperidol decanoate versus perphanazine decanoate. Outcomes: no usable data, authors contacted. |
| Fernando 1984 | Allocation: not randomised. |
| Gianelli 1990 | Allocation: not randomised. |
| Jolley 1990 | Allocation: randomised. Participants: those with schizophrenia. Interventions: fluphenazine decanoate, not haloperidol decanoate. |
| Meco 1985 | Allocation: not randomised. |
| Meco 1987 | Allocation: not randomised. |
| Nair 1986 | Allocation: not randomised. |
| Rapp 1986 | Allocation: randomised. Participants: those with schizophrenia. Interventions: haloperidol decanoate versus perphenazine decanoate. Outcomes: no usable data, authors contacted. |
| Roose 1982 | Allocation: not randomised. |
| Ushakov 1990 | Allocation: randomised. Participants: those with schizophrenia. Interventions: haloperidol decanoate versus fluphenazine. Outcomes: no usable data. |
| Van Putten 1986 | Allocation: not randomised. |
| Varma 1989 | Allocation: not randomised. |
| Wei 1996 | Allocation: not randomised. |
| Weiden 1995 | Allocation: not randomised. |
| Wiles 1990 | Allocation: 'double blind'. Participants: those with schizophrenia. Interventions: haloperidol decanoate versus fluphenazine decanoate. Outcomes: no usable data, authors contacted. |
| Youssef 1991 | Allocation: not randomised. |
| Zonda 1992 | Allocation: not randomised. |
Behaviour scale NOSIE ‐ Nurses Observation Scale for Inpatient Evaluation.