Table 1.

Rates of reduction used in previous research

Tanabe’s research [9]
Group	Mean dose before reduction	Reduction speed	GAF	SOI	n
Successful	1,372 mg CP	40.4 mg CP/week	34.1	4.5	37
Unsuccessful	1,832 mg CP	95.4 mg CP/week	29.8	4.8	11
Murasugi’s research [10]
Group	Mean dose before reduction	Reduction speed	GAF	SOI	n
Successful	1,581 mg CP	43.0 mg CP/week	35.2	4.8	5
Unsuccessful	2,389 mg CP	97.4 mg CP/week	44.0	4.5	5
Combination of both studies
Group	Mean dose before reduction	Reduction speed	GAF	SOI	n
Successful	1,397 mg CP	40.7 mg/week	33.5	4.5	42
Unsuccessful	2, 006 mgCP	96.0 mg/week	34.2	4.7	16

Abbreviations: GAF global assessment of functioning in DSM-4-TR; SOI severity of illness; n number of patients.