Table 70Saline washout (once a day) vs. no washout – Clinical study characteristics

OutcomeNumber of studiesDesignLimitationsInconsistencyIndirectnessImprecision
Catheter replacement per 100 days of catheterisation1761RCTSerious limitations(a, b, c)No serious inconsistencyNo serious indirectnessSerious imprecision(d)
Encrustations and blockages0RCT
Bacteraemia0RCT
Mortality0RCT
Patient preference and comfort0RCT
Symptomatic UTI0RCT
a

Crossover trial. Sequence generation and allocation concealment not clear.

b

23 patients participated in full duration of trial, but 32 patients (crossover and partial crossover patients) included in analysis.

c

Blinding not reported.

d

Wide confidence intervals crossing MID. This makes it difficult to know the true effect size for this outcome.

From: 10, Long term urinary catheters

Cover of Infection: Prevention and Control of Healthcare-Associated Infections in Primary and Community Care
Infection: Prevention and Control of Healthcare-Associated Infections in Primary and Community Care: Partial Update of NICE Clinical Guideline 2.
NICE Clinical Guidelines, No. 139.
National Clinical Guideline Centre (UK).
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