Table. Characteristics of cases with Serratia marcescens complex ct755 infection, Norway, June 2021–February 2023 (n = 74).
| Characteristics of cases | n | % | |
|---|---|---|---|
| Sex (n = 74) | |||
| Female | 34 | 46 | |
| Male | 40 | 54 | |
| Age (years) | |||
| Median (IQR) | 76 (65–80) | ||
| Site of detection (n = 74) | |||
| Hospital | Any ward | 64 | 86 |
| Medical ward | 35 | 47 | |
| Surgical ward | 12 | 16 | |
| Cancer ward | 7 | 9 | |
| Intensive care unit | 7 | 9 | |
| Emergency unit | 3 | 4 | |
| Outpatient clinic | 3 | 4 | |
| Primary care / nursing home | 3 | 4 | |
| Missing | 4 | 5 | |
| SMC ct755 as cause of deatha (n = 19) | |||
| Strongly contributing | 5 | 26 | |
| Possibly contributing | 6 | 32 | |
| Not contributing | 8 | 42 | |
| Risk factors (n = 46) | |||
| Peripheral venous catheter | 43 | 93 | |
| Urinary catheter | 22 | 48 | |
| Oxygen | 22 | 48 | |
| Central venous catheter | 17 | 37 | |
| Wounds | 17 | 37 | |
| Ultrasound | 16 | 35 | |
| Blood products | 16 | 35 | |
| Surgery | 15 | 33 | |
| Nasogastric tube | 12 | 26 | |
| Nutritional drinks | 10 | 22 | |
| Intubation | 9 | 20 | |
| Tube feeding | 9 | 20 | |
| Epidural/spinal catheter | 7 | 15 | |
| Drain | 7 | 15 | |
| Dialysis | 6 | 13 | |
| Nebuliser | 6 | 13 | |
| Laryngoscopy | 5 | 11 | |
| Bronchoscopy/gastroscopy | 5 | 11 | |
| Intermittent catheterisation | 5 | 11 | |
| Parenteral nutrition | 5 | 11 | |
| Stoma | 4 | 9 | |
| Non-invasive pressure ventilation | 3 | 7 | |
IQR: interquartile range.
a Clinical evaluation by treating physician.