Table 2

Characteristics of haemodialysis outpatients admitted for suspected bacteraemia (n=507)

CharacteristicValue* Missing data CharacteristicValue* Missing data
Age, years73 (66, 81)0 (0.0%)Vascular access44 (8.7%)
Female sex185 (36.5%)0 (0.0%)AV fistula375 (74.0%)
Dialysis vintage, months61 (23, 117)25 (4.9%)AV graft59 (11.6%)
Cause of ESRD14 (2.8%)Superficial artery17 (3.4%)
Diabetic nephropathy203 (40.0%)Permanent catheter12 (2.4%)
Nephrosclerosis100 (19.7%)History of bacteraemia50 (9.9%)4 (0.8%)
Glomerulonephritis87 (17.2%)Medication
Other/unknown103 (20.3%)Steroids50 (9.9%)3 (0.6%)
Vital signsImmunosuppressants7 (1.4%)
Body temperature, °C37.1 (36.6, 38.0)36 (7.1%)Antibiotics within 1 week83 (16.4%)6 (1.2%)
Systolic BP, mm Hg136 (113, 159)30 (5.9%)Laboratory findings
Systolic hypotension 71 (14.0%)30 (5.9%)White cell count, 10 9/L7.9(5.7, 11.2)12 (2.4%)
Respiratory rate, breaths/min20 (16, 24)255 (50.3%)Platelet count, 10 9/L153 (107, 209)12 (2.4%)
Tachypnea§ 89 (17.6%)255 (50.3%)Albumin, g/dL3.3 (2.9, 3.7)53 (10.5%)
Heart rate, beats/min86 (75, 100)35 (6.9%)C reactive protein, mg/dL5.9 (1.7, 12.6)18 (3.6%)
SpO2, %97 (95, 100)118 (23.3%)
GCS score <1346 (9.1%)80 (15.8%)Positive blood culture68 (13.4%)0 (0.0%)
ComorbiditiesIn-hospital death74 (14.6%)0 (0.0%)
Malignancy61 (12.0%)1 (0.2%)
Diabetes222 (43.8%)1 (0.2%)
  • *Continuous data are summarised as median (IQR), while categorical data are summarised as frequency and percentage.

  • †Missing data are summarised as frequency and percentage.

  • ‡Systolic hypotension was defined as systolic BP ≤100 mm Hg.

  • §Tachypnea was defined as a respiratory rate of ≥22 breaths/min.

  • AV, arteriovenous; BP, blood pressure; ESRD, end-stage renal disease; GCS, Glasgow Coma Scale