Table 2 Number of drugs taken by age groups
| Â | Â | Age groups | ||||
|---|---|---|---|---|---|---|
Total | 70–74 | 75–79 | 80–84 | 85–89 | ≥90 | |
n | 2069 | 644 (31) | 541 (26) | 426 (21) | 273 (13) | 185 (9) |
Number of drugs (mean ± SD) | 6.2 ± 3.5 | 5.4 ± 3.5 | 6.3 ± 3.4 | 6.8 ± 3.5 | 6.7 ± 3.1 | 7.1 ± 3.4 |
Number of drugs [median (IQR)] | 6 (4;8) | 5 (3;7) | 6 (4;8) | 7 (4;9) | 6 (4;8) | 7 (5;9) |
Number of drugs [n (%)] | ||||||
 0 | 60 (3) | 33 (5) | 13 (2) | 11 (3) | 1 (1) | 3 (2) |
 1–4 | 635 (31) | 264 (41) | 161 (30) | 98 (23) | 73 (27) | 40 (22) |
 5–9 | 1044 (50) | 273 (42) | 283 (52) | 230 (54) | 153 (56) | 104 (56) |
  > =10 | 330 (16) | 75 (12) | 84 (16) | 87 (21) | 46 (17) | 37 (20) |
OTC | ||||||
 0 | 468 (23) | 189 (29) | 115 (21) | 84 (20) | 56 (20) | 24 (13) |
 1–4 | 1491 (72) | 433 (67) | 402 (74) | 312 (73) | 197 (72) | 147 (79) |
  > =5 | 110 (5) | 22 (3) | 23 (4) | 30 (7) | 20 (7) | 15 (8) |
PD | ||||||
 0 | 123 (6) | 58 (9) | 31 (6) | 18 (4) | 9 (3) | 7 (4) |
 1–4 | 1022 (49) | 359 (56) | 263 (49) | 189 (44) | 131 (48) | 80 (43) |
  > =5 | 924 (45) | 227 (35) | 247 (46) | 218 (51) | 133 (49) | 98 (53) |
Polypharmacy only regular PDs | 829 (40) | 204 (32) | 223 (41) | 198 (47) | 122 (45) | 81 (44) |