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Table 3 Prescription of combinations of psychotropic drugs, PICP and PIPS in 2000, and 2016, among patients in three nursing homes with 386 and 416 patients the respective years

From: A retrospective comparison of inappropriate prescribing of psychotropics in three Norwegian nursing homes in 2000 and 2016 with prescribing quality indicators

 

2000

2016

p-value

Patients n (%)

n (%)

Patients n (%)

n (%)

Combination of categories

80 (20.7)

 

210 (50.5)

 

< 0.001

 Antidepressants + antipsychotics

 

26 (32.5)

 

62 (29.5)

0.622

 Antidepressants + anxiolytics-hypnotics

 

32 (40.0)

 

127 (60.5)

0.002

 Antidepressants + antiepileptics

 

2 (2.5)

 

28 (13.3)

0.005

 Antipsychotics + anxiolytics-hypnotics

 

31 (38.8)

 

95 (45.2)

0.319

 Antipsychotics + antiepileptics

 

4 (5.0)

 

15 (7.1)

0.605

 Anxiolytics-hypnotics + antiepileptics

 

10 (12.5)

 

38 (18.1)

0.252

Potentially inappropriate combinations of psychotropic drugs (PICP)

30 (7.8)

 

116 (27.9)

 

< 0.001

 Two or more antidepressants

 

6 (20.0)

 

40 (34.5)

0.153

 Two or more antipsychotics

 

11 (37.0)

 

8 (6.9)

< 0.001

 Two or more anxiolytics-hypnotics

 

7 (23.0)

 

86 (74.1)

< 0.001

 Two or more antiepileptics*

 

5 (17.0)

 

1 (0.9)

0.001

 Two or more psychotropic drugs with anticholinergic effects

 

3 (10.0)

   

Potentially inappropriate psychotropic drugs (PIPS)

69 (17.9)

 

47 (11.3)

 

0.008

 Long acting benzodiazepines

 Diazepam

 

14 (20.3)

 

33 (70.2)

 

 Flunitrazepam

 

5 (7.2)

 

0

 

 Nitrazepam

 

11 (15.9)

 

2 (4.3)

 

Psychotropic drugs with anticholinergic effects

 Antidepressants

     

 Amitriptyline

 

8 (11.6)

 

2 (4.3)

 

 Clomipramine

 

1 (1.4)

 

0

 

 Nortriptyline

 

6 (8.7)

 

0

 

 Antipsychotics

     

 Chlorpromazine

 

7 (10.1)

 

0

 

 Chlorprotixene

 

2 (2.9)

 

3 (6.4)

 

 Levomepromazine

 

18 (26.1)

 

4 (8.5)

 

 Prochlorperazine

 

2 (2.9)

 

0

 

Anxiolytics-hypnotics

     

 Hydroxyzine

 

3 (4.3)

 

3 (6.4)

 
  1. Chi-square or Fischer’s exact test was used for comparison of proportions. Notice that patients can be prescribed several concurrent categories of psychotropics. The denominator in the calculations was chosen to find the most frequent inappropriate prescribing within Combination of categories, PICP and PIPS. *Not included in definition of PICP