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Table 3 Predictors of prescriptions of any antibioticsa among those ≥75 yearsb

From: Antibiotic use in the care home setting: a retrospective cohort study analysing routine data

 

Unadjusted odds ratio

Adjusted odds ratioc

(95 % CI; p-value)

(95 % CI; p-value)

Care home resident

1.37 (1.31–1.44; p < 0.001)

1.24 (1.18–1.30; p < 0.001)

Female

1.27 (1.24–1.31; p < 0.001)

1.29 (1.25–1.32; p < 0.001)

Age

1.01 (1.01–1.01; p < 0.001)

1.00 (0.99–1.00; p = 0.849)

Urinary catheter

4.78 (4.27–5.37; p < 0.001)

4.72 (4.20–5.32; p < 0.001)

Comorbidity

  

 • None

1.00

1.00

 • One

1.83 (1.75–1.92; p < 0.001)

1.82 (1.74–1.91; p < 0.001)

 • Two

2.33 (2.23–2.43; p < 0.001)

2.28 (2.18–2.39; p < 0.001)

 • Three or more

3.33 (3.20–3.46; p < 0.001)

3.22 (3.10–3.35; p < 0.001)

  1. aAll antibiotics except the antiseptic substance methenamine hippurate
  2. bAll ≥75 years not prescribed long term prophylaxis against recurrent UTI, both in care homes and not in care homes (N = 101,373)
  3. cCare home resident status adjusted for gender, age, presence of urinary catheter and number of comorbidity according to Quality and Outcomes Framework