Number of people dispensed at least 1 type 2 histamine-2 receptor antagonist (H2RA) in 6 Canadian provinces and sex-standardized period prevalence rates per 100 population, by age stratum and calendar period, 1996–2019
| Variable | No. (%) of people | |||||
|---|---|---|---|---|---|---|
| Nova Scotia | Ontario | Manitoba | Saskatchewan | Alberta | British Columbia | |
| No. of people aged ≥ 65 yr* | 201749 | 2512374 | 215073 | 184964 | 581084 | 949339 |
| Ranitidine | ||||||
| 1996–1999 | 40262 (33) | 393120 (29) | 28483 (18) | 35682 (26) | 45709 (17) | 54097 (11) |
| 2000–2004 | 42490 (33) | 420596 (28) | 27581 (17) | 38931 (26) | 32536 (10) | 73324 (13) |
| 2005–2009 | 38290 (27) | 258444 (15) | 23574 (14) | 32339 (21) | 20300 (6) | 69974 (11) |
| 2010–2014 | 21894 (14) | 198023 (10) | 22184 (12) | 25280 (16) | 19932 (5) | 78229 (11) |
| 2015–2019 | 21422 (11) | 220664 (9) | 18331 (9) | 21033 (12) | 25753 (5) | 87116 (10) |
| Non-ranitidine H2RA | ||||||
| 1996–1999 | 7476 (6) | 161132 (12) | 10714 (7) | 10660 (8) | 21036 (8) | 113269 (24) |
| 2000–2004 | 3861 (3) | 111198 (7) | 5173 (3) | 4933 (3) | 8949 (3) | 79343 (14) |
| 2005–2009 | 1847 (1) | 45334 (3) | 2336 (1) | 1973 (1) | 3663 (1) | 35999 (6) |
| 2010–2014 | 762 (< 1) | 24779 (1) | 1336 (1) | 975 (1) | 2313 (1) | 14565 (2) |
| 2015–2019 | 1479 (1) | 35665 (2) | 1492 (1) | 1257 (1) | 1583 (< 1) | 10359 (1) |
| No. of people aged < 65 yr* | 768494 | 12032327 | 1154884 | 987515 | 3781492 | 4145457 |
| Ranitidine | ||||||
| 1996–1999 | – | – | 58456 (7) | 61231 (9) | – | 155709 (5) |
| 2000–2004 | – | – | 66680 (8) | 73344 (10) | – | 173493 (5) |
| 2005–2009 | – | – | 70525 (8) | 76597 (10) | – | 158306 (5) |
| 2010–2014 | – | – | 73518 (8) | 79640 (10) | 65697 (2) | 175975 (5) |
| 2015–2019 | – | – | 62695 (6) | 69069 (8) | 78354 (2) | 185411 (5) |
| Non-ranitidine H2RA | ||||||
| 1996–1999 | – | – | 23992 (3) | 20312 (3) | – | 210365 (6) |
| 2000–2004 | – | – | 10764 (1) | 9401 (1) | – | 135079 (4) |
| 2005–2009 | – | – | 5297 (1) | 3745 (< 1) | – | 66408 (2) |
| 2010–2014 | – | – | 3346 (< 1) | 2254 (< 1) | 5717 (< 1) | 27218 (< 1) |
| 2015–2019 | – | – | 2872 (< 1) | 2368 (< 1) | 3738 (< 1) | 14 463 (< 1) |
↵* Population estimates as of July 1, 2019.