Skip to main content
International Journal of Bipolar Disorders

Table 3 Mean PDD/DDD ratio by number of drugs and medication class

From: Drug treatment patterns in bipolar disorder: analysis of long-term self-reported data

Number of drugs in class

Number of regimens a(%)

Mean (SD) PDD/DDD ratio

Antidepressantsb

  

   1

204 (64)

1.3 (1.1)

   2

97 (30)

2.5 (1.6)

   3

15 (5)

3.5 (2.0)

   4

3 (1)

5.1 (1.5)

Benzodiazepinesc

  

   1

107 (80)

0.6 (0.8)

   2

24 (18)

1.4 (1.3)

   3

2 (2)

4.0 (1.5)

Antipsychoticsd

  

   1

167 (77)

0.7 (0.7)

   2

47 (22)

2.2 (2.0)

   3

3 (1)

7.4 (6.5)

  1. aSome patients took multiple regimens with different number of drugs within a medication class; b236 patients took antidepressants for 50% or more days; c111 patients took benzodiazepines for 50% or more days; d176 patients took antipsychotics for 50% or more days.
Back to article page