Table 2. Clostridioides difficile infection data, Canada, 2019–2023a.
| C. difficile infection data | Number of infections and incidence rates (per year) | ||||
|---|---|---|---|---|---|
| 2019 | 2020 | 2021 | 2022 | 2023 | |
| All cases | |||||
| Number of C. difficile infection cases | 3,600 | 3,650 | 3,640 | 3,878 | 4,453 |
| Rate per 1,000 patient admissions | 3.69 | 4.10 | 3.93 | 4.13 | 4.06 |
| Rate per 10,000 patient days | 4.90 | 5.35 | 5.07 | 4.97 | 5.05 |
| Number of reporting hospitals | 73 | 82 | 82 | 82 | 98 |
| All-cause mortality rate | |||||
| Number of deaths | 63 | 54 | 66 | 64 | 74 |
| All cause mortality rate per 100 cases (%)b | 8.5 | 9 | 8.8 | 8.9 | 8.2 |
| HA-CDI | |||||
| Number of HA-CDI cases | 2,662 | 2,625 | 2,571 | 2,819 | 3,142 |
| Rate per 1,000 patient admissions | 2.73 | 2.95 | 2.78 | 3.00 | 2.86 |
| Rate per 10,000 patient days | 3.62 | 3.85 | 3.58 | 3.62 | 3.56 |
| Number of reporting hospitals | 73 | 82 | 82 | 82 | 98 |
| All-cause mortality rate | |||||
| Number of deaths | 47 | 39 | 50 | 54 | 58 |
| All cause mortality rate per 100 cases (%)b | 8.2 | 8.7 | 9.2 | 9.9 | 8.7 |
| CA-CDI | |||||
| Number of CA-CDI cases | 938 | 1,025 | 1069 | 1,059 | 1,311 |
| Rate per 1,000 patient admissions | 1.17 | 1.38 | 1.38 | 1.35 | 1.42 |
| Rate per 10,000 patient days | 1.57 | 1.83 | 1.81 | 1.65 | 1.77 |
| Number of reporting hospitals | 62 | 71 | 71 | 71 | 87 |
| All-cause mortality rate | |||||
| Number of deaths | 16 | 15 | 16 | 10 | 16 |
| All cause mortality rate per 100 cases (%)b | 9.4 | 9.6 | 7.4 | 5.8 | 6.3 |
Abbreviations: C. difficile, Clostridioides difficile; CA, community-associated; CDI, Clostridioides difficile infections; HA, healthcare-associated
a There was no resistance to tigecycline, vancomycin or metronidazole in C. difficile isolates submitted to the National Microbiology Laboratory 2019–2023
b Mortality data are collected during the two-month period (March and April of each year) for adults (aged 18 years and older) and year-round for children (aged one year to younger than 18 years old). Among paediatric patients, there was no death attributable to healthcare-associated C. difficile infection