Table 3. Reported number of medications and their INNs (ATC 5^th level).

TILDA [n = 8,081]				Therapeutic class	IDS TILDA [n = 238]
Medications/100 enrolled participants	N of medications	Different drugs/100 enrolled participants	Different drugs	1st ATC level	Different drugs	Different drugs/100 enrolled participants	N of medications	Medications/100 enrolled participants
34.7	2,807	1.0	78	A—Alimentary	40	16.8	256	107.6
27.4	2,211	0.2	13	B- Blood	3	1.3	28	11.8
100.4	8,110	1.3	107	C- Cardiovascular	36	15.1	167	70.2
1.2	95	0.4	32	D- Dermatology	15	6.3	40	16.8
6.7	545	0.5	41	G- Genito-Urinary	11	4.6	19	8.0
9.2	744	0.2	15	H- Hormones	7	2.9	41	17.2
1.8	143	0.4	33	J–Anti-infective	7	2.9	12	5.0
3.0	244	0.3	27	L–Malignancy & Immuno- modulation	1	0.4	2	0.8
16.1	1,299	0.5	39	M- Musculo-Skeletal	11	4.6	43	18.1
32.4	2,617	1.3	105	N- Nervous system	61	25.6	486	204.2
0.1	6	0.0	3	P—Antiparasitic	1	0.4	1	0.4
15.0	1,214	0.6	45	R- Respiratory	21	8.8	72	30.3
2.9	238	0.3	27	S- Sensory	11	4.6	21	8.8
0.1	8	0.0	3	V- Various	3	1.3	10	4.2
251.0	20,281	7.0	568	All	228	95.8	1,198	503.4