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Table 3 ATC second sublevel categories significantly enriched in illicit-related drugs compared to other drugsa

From: Exploring drug-target interaction networks of illicit drugs

ATC code

ATC therapeutic subgroup

# of illicit-related drugs (%b)

# of other drugs (%c)

p-value

N05

Psycholeptics

54 (14.8)

3 (0.5)

1.4 × 10-20

N06

Psychoanaleptics

38 (10.4)

4 (0.7)

6.7 × 10-13

N01

Anesthetics

25 (6.9)

0 (0)

1.9 × 10-11

D07

Corticosteroids, dermatological preparations

23 (6.3)

0 (0)

1.4 × 10-10

N04

Anti-Parkinson drugs

17 (4.7)

2 (0.3)

4.2 × 10-6

G03

Sex hormones and modulators of the genital system

21 (5.8)

5 (0.8)

1.1 × 10-5

H02

Corticosteroids for systemic use

12 (3.3)

1 (0.2)

7.0 × 10-5

N07

Other nervous system drugs

14 (3.8)

5 (0.8)

2.9 × 10-3

A03

Drugs for functional gastrointestinal disorders

14 (3.8)

5 (0.8)

2.9 × 10-3

C05

Vasoprotectives

12 (3.3)

4 (0.7)

3.2 × 10-3

R01

Nasal preparations

16 (4.4)

7 (1.2)

3.6 × 10-3

S01

Ophthalmologicals

43 (11.8)

44 (7.4)

0.027

  1. aThe other drugs represent the drugs in the full drug-target network excluding illicit drugs and illicit-related drugs. Among those other drugs, 594 have ATC second sublevel classifications.
  2. bThe proportion of illicit drugs belong to a given ATC category among the 365 illicit-related drugs with ATC second sublevel classifications.
  3. cThe proportion of other drugs belong to a given ATC category among the 594 other drugs.
  4. dp-value was calculated by Fisher's exact test.