Table I.
Patient characteristics, clinical speciality and site of infection
| Overall | 2017-2018 | 2018-2019 | 2019-2020 | 2020-2021 | 2021-22 | |
|---|---|---|---|---|---|---|
| Total Episodes (Patients) | 797 (770) | 134 (130) | 153 (141) | 194 (189) | 157 (151) | 159 (159) |
| Age Range (%) | ||||||
| <1 month | 9 (1.2%) | 0 | 2 (1.4%) | 3 (1.6%) | 2 (1.3%) | 2 (1.3%) |
| 1 month-15 years | 15 (1.9%) | 2 (1.6%) | 3 (2.1%) | 4 (2.1%) | 2 (1.3%) | 4 (2.5%) |
| 16–30 years | 46 (6.0%) | 5 (3.8%) | 6 (4.3%) | 10 (5.3%) | 11 (7.3%) | 14 (8.8%) |
| 31–50 years | 103 (13.4%) | 23 (17.7%) | 16 (11.3%) | 18 (9.6%) | 23 (15.2%) | 23 (14.5%) |
| 51–70 years | 286 (37.1%) | 48 (36.9%) | 50 (35.5%) | 60 (31.7%) | 59 (39.1%) | 69 (43.4%) |
| >70 years | 311 (40.4%) | 52 (40.0%) | 64 (45.4%) | 94 (49.7%) | 54 (35.8%) | 47 (29.5%) |
| Gender (%) | ||||||
| Male | 449 (58.3%) | 70 (53.8%) | 84 (59.6%) | 102 (54.0%) | 98 (64.9%) | 95 (59.7%) |
| Female | 321 (41.7%) | 60 (46.2%) | 57 (40.4%) | 87 (46.0%) | 53 (35.1%) | 64 (40.3%) |
| Clinical speciality (%) | ||||||
| Medicine | 230 (28.9%) | 40 (29.9%) | 39 (25.5%) | 47 (24.2%) | 57 (36.3%) | 47 (29.6%) |
| Care of elderly | 115 (14.4%) | 8 (6.0%) | 35 (22.9%) | 34 (17.5%) | 21 (13.4%) | 17 (10.7%) |
| Haematology/Oncology | 127 (15.9%) | 21 (15.7%) | 15 (9.8%) | 28 (14.4%) | 31 (19.7%) | 32 (20.1%) |
| Surgery – Colorectal | 40 (5.0%) | 13 (9.7%) | 6 (3.9%) | 10 (5.2%) | 5 (3.2%) | 6 (3.8%) |
| Surgery – Hepatobiliary | 29 (3.6%) | 3 (2.2%) | 3 (2.0%) | 14 (7.2%) | 4 (2.5%) | 5 (3.1%_ |
| Surgery – Urology | 17 (2.1%) | 4 (3.0%) | 7 (4.6%) | 3 (1.5%) | 2 (1.3%) | 1 (0.6%) |
| Surgery – Orthopaedic | 18 (2.3%) | 1 (0.7%) | 3 (2.0%) | 6 (3.1%) | 4 (2.5%) | 4 (2.5%) |
| Surgery – Neurosurgery | 13 (1.6%) | 5 (3.7%) | 2 (1.3%) | 5 (2.6%) | 1 (0.6%) | 0 |
| Surgery– Other specialist surgery | 23 (2.9%) | 7 (5.2%) | 1 (0.7%) | 7 (3.6%) | 2 (1.3%) | 6 (3.8%) |
| HDU/ICU | 108 (13.6%) | 21 (15.7%) | 25 (16.3%) | 17 (8.8%) | 18 (11.5%) | 27 (17.0%) |
| Obstetrics & Gynaecology | 32 (4.0%) | 5 (3.7%) | 7 (4.6%) | 7 (3.6%) | 7 (4.5%) | 6 (3.8%) |
| Paediatrics | 13 (1.6%) | 1 (0.7%) | 6 (3.9%) | 4 (2.1%) | 0 | 2 (1.9%) |
| Neonatology | 12 (1.5%) | 1 (0.7%) | 0 | 3 (1.5%) | 4 (2.5%) | 4 (2.5%) |
| Other | 19 (2.4%) | 4 (3.0%) | 4 (2.6%) | 9 (4.6%) | 1 (0.6%) | 1 (0.6%) |
| Site of infection (%) | ||||||
| UTI (non-catheter associated) | 196 (24.6%) | 41 (30.6%) | 51 (33.3%) | 32 (16.5%) | 41 (26.1%) | 31 (19.5%) |
| UTI (catheter-associated) | 140 (17.6%) | 13 (9.7%) | 28 (18.3%) | 46 (23.7%) | 23 (14.6%) | 30 (18.9%) |
| Hepatobiliary Infections | 106 (13.3%) | 25 (18.7%) | 20 (13.1%) | 24 (12.4%) | 23 (14.6%) | 14 (8.8%) |
| GI surgical site infections | 48 (6.0%) | 16 (11.9%) | 12 (7.8%) | 13 (6.7%) | 1 (0.6%) | 6 (3.8%) |
| Haematology/Oncology (neutropenic sepsis) | 92 (11.5%) | 13 (9.7%) | 10 (6.5%) | 20 (10.3%) | 26 (16.6%) | 23 (14.5%) |
| Haematology/Oncology (non-neutropenic sepsis) | 7 (0.9%) | 0 | 0 | 3 (1.5%) | 2 (1.3%) | 2 (1.3%) |
| Intravascular catheters | 24 (3.0%) | 2 (1.5%) | 6 (3.9%) | 7 (3.6%) | 6 (3.8%) | 3 (1.9%) |
| Other/not defined | 171 (21.5%) | 33 (24.6%) | 38 (24.8%) | 31 (16.0%) | 32 (20.4%) | 37 (23.3%) |
| Outcomes (%; 95% CI) | ||||||
| +Death at 7 days | 77 (9.7%; 7.4–12.2%) | 19 (14.6%; 8.8–21.3%) | 14 (9.9%; 5.1–14.9%) | 11 (5.8%; 2.9–9.9%) | 22 (14.6%; 9.0–20.4%) | 11 (6.9%; 4.1–9.5%) |
| +Death at 30 days | 129 (16.2%; 13.7–19.9% | 29 (22.3%; 15.0–29.6%) | 22 (15.6%, 9.2–21.0%) | 22 (11.6%; 7.3–16.7%) | 35 (23.2%; 16.1–9.6%) | 21 (13.2%; 9.7–15.8%) |
# Patient numbers used as denominator.
+ Percentages with 95% CIs.