Table 2

Patients with no source for fever outside the urinary tract

VariablesOthers, N=185, n (%)BRIAT, N=72, n (%)p Value
Age (years)83±785±5<0.005
Female94 (50.8)42 (58.3)0.278
Bedridden97 (52.4)58 (80.6)<0.001
Demented100 (54.1)47 (65.3)0.103
Permanent urinary catheter30 (16.2)28 (38.9)<0.001†
Provided a urine specimen52 (28.1)9 (12.5)0.008
Catheterised for specimen103 (55.7)35 (48.6)0.331
Residual volume >300 mL28 (15.1)8 (11.1)0.404
Residual volume≥1000 mL5 (2.7)3 (4.2)0.398‡
Diabetes mellitus58 (31.4)25 (34.7)0.604
History of UTI101 (54.6)56 (77.8)<0.001
Urinary tract symptoms49 (26.5)8 (11.1)0.008
Temperature≥37.8oC154 (83.2)57 (79.2)0.444
  • BRIAT, bacterial resistance to initial antibiotic therapy; UTI, urinary tract infection.

  • *p<0.001 when considered overall for the three alternative ways of providing a urine sample.

  • †Fisher's exact test.