Table 4.

Numbers of patients receiving the three most frequently prescribed potentially inappropriate medication types (grouped according to level 3 Anatomical Therapeutic Classification codes) at admission, during the inpatient stay and at discharge

Frequency of prescription	Stages
	Admission	Inpatient stay	Discharge
1st most frequent	B01A: antithrombotic agents (N = 28)	N05C: hypnotics and sedatives (N = 80)	N05A: antipsychotics (N = 26)
2nd most frequent	N05A: antipsychotics (N = 26)	N05A: antipsychotics (N = 39)	C08C: selective calcium channel blockers with mainly vascular effects (N = 24)
3rd most frequent	N06A: antidepressants (N = 20)	C08C: selective calcium channel blockers with mainly vascular effects (N = 33)	N06A: antidepressants (N = 23)