TABLE 3.
Top 10 most common therapeutic subgroups used repeatedly in each age group among boys (prevalence per 1,000 person-years).
| All boys | <2 years | 2–5 years | 6–12 years | 13–17 years | |||||
| Antibacterials for systemic use (J01) | 36.4 | Drugs for obstructive airway diseases (R03) | 65.3 | Antibacterials for systemic use (J01) | 72.8 | Drugs for obstructive airway diseases (R03) | 31.0 | Psychoanaleptics (N06) | 34.2 |
| Drugs for obstructive airway diseases (R03) | 35.7 | Antibacterials for systemic use (J01) | 42.6 | Drugs for obstructive airway diseases (R03) | 55.9 | Psychoanaleptics (N06) | 27.9 | Antibacterials for systemic use (J01) | 18.8 |
| Psychoanaleptics (N06) | 20.9 | Ophthalmologicals (S01) | 22.8 | Ophthalmologicals (S01) | 18.0 | Antibacterials for systemic use (J01) | 26.9 | Drugs for obstructive airway diseases (R03) | 17.1 |
| Ophthalmologicals (S01) | 7.9 | Corticosteroids, dermatological preparations (D07) | 6.8 | Corticosteroids for systemic use (H02) | 7.4 | Antiepileptics (N03) | 4.3 | Anti-acne preparations (D10) | 14.3 |
| Anti-acne preparations (D10) | 4.3 | Immune sera and immunoglobulins (J06) | 6.3 | Cough and cold preparations (R05) | 7.4 | Nasal preparations (R01) | 3.7 | Thyroid therapy (H03) | 6.3 |
| Corticosteroids, dermatological preparations (D07) | 3.9 | Corticosteroids for systemic use (H02) | 6.1 | Drugs for constipation (A06) | 7.3 | Psycholeptics (N05) | 3.5 | Antiinflammatory and antirheumatic products (M01) | 5.3 |
| Antiepileptics (N03) | 3.6 | Vitamins (A11) | 3.5 | Corticosteroids, dermatological preparations (D07) | 6.1 | Allergens (V01) | 3.3 | Psycholeptics (N05) | 4.5 |
| Corticosteroids for systemic use (H02) | 3.4 | Cough and cold preparations (R05) | 2.8 | Antiepileptics (N03) | 2.4 | Ophthalmologicals (S01) | 3.0 | Antiepileptics (N03) | 4.2 |
| Cough and cold preparations (R05) | 3.4 | Drugs for constipation (A06) | 1.2 | Otologicals (S02) | 1.3 | Corticosteroids, dermatological preparations (D07) | 2.9 | Drugs used in diabetes (A10) | 4.0 |
| Thyroid therapy (H03) | 3.0 | Antiepileptics (N03) | 1.0 | Nasal preparations (R01) | 1.2 | Pituitary and hypothalamic hormones and analogues (H01) | 2.8 | Nasal preparations (R01) | 3.9 |
Repeated use was defined as receiving at least three (not necessarily the same kind of) prescription drugs within the same therapeutic subgroup (on different days).