Table 47Clinical evidence profile: Weekend admission

Quality assessmentEffectQuality
No of studiesDesignRisk of biasInconsistencyIndirectnessImprecisionOther considerationsPooled effect (95% CI)
Hospital mortality (assessed with: No. of patients dying in hospital)
1observational studiesno serious risk of biasno serious inconsistencyno serious indirectnessno serious imprecisionnoneAdjusted OR 1.10 (1.08 to 1.12)

⨁⨁⨁⨁

HIGH

Hospital mortality (assessed with: No. of patients dying in hospital)
1observational studiesno serious risk of biasno serious inconsistencyno serious indirectnessno serious imprecisionnoneAdjusted OR 1.10 (1.08 to 1.12)

⨁⨁⨁⨁

HIGH

Hospital mortality (assessed with: No. of patients dying in hospital)
1observational studiesno serious risk of biasno serious inconsistencyno serious indirectnessserious1noneAdjusted OR 1.15 (0.89 to 1.49)

⨁⨁⨁⊝

MODERATE

Hospital mortality (follow-up 7 days; assessed with: No. of patients dying in hospital)
1observational studiesserious2no serious inconsistencyno serious indirectnessserious1noneAdjusted OR 1.75 (0.75 to 4.09)

⨁⨁⊝⊝

LOW

Hospital mortality (assessed with: No. of patients dying in hospital)
1observational studiesno serious risk of biasno serious inconsistencyno serious indirectnessno serious imprecisionnoneAdjusted HR 2.10 (1.13 to 3.9)

⨁⨁⨁⨁

HIGH

Hospital mortality (assessed with: No. of patients dying in hospital)
2observational studiesno serious risk of biasno serious inconsistencyno serious indirectnessno serious imprecisionnone

Adjusted HR 1.14 (1.12 to 1.15)

Range of HR: 1.11-1.16

⨁⨁⨁⨁

HIGH

Hospital mortality (follow-up 30 days; assessed with: No. of patients dying in hospital)
1observational studiesserious2no serious inconsistencyserious3serious1noneAdjusted OR 0.93 (0.75 to 1.15)

⨁⊝⊝⊝

VERY LOW

Hospital mortality (assessed with: No. of patients dying in hospital)
1observational studiesno serious risk of biasno serious inconsistencyno serious indirectnessno serious imprecisionnoneAdjusted OR 1.09 (1.05 to 1.13)

⨁⨁⨁⨁

HIGH

Hospital mortality (assessed with: No. of patients dying in hospital)
1observational studiesno serious risk of biasno serious inconsistencyno serious indirectnessserious1noneAdjusted RR 0.98 (0.91 to 1.06)

⨁⨁⨁⊝

MODERATE

Hospital mortality (follow-up 7 days; assessed with: No. of patients dying in hospital)
1observational studiesserious2no serious inconsistencyno serious indirectnessno serious imprecisionnoneAdjusted OR 1.18 (1.12 to 1.24)

⨁⨁⨁⊝

MODERATE

Hospital mortality (follow-up 30 days; assessed with: No. of patients dying in hospital)
1observational studiesserious2no serious inconsistencyno serious indirectnessno serious imprecisionnone

Adjusted OR 1.08 (1.05 to 1.1)

Range of HR: 1.07-1.08

⨁⨁⨁⊝

MODERATE

Hospital mortality (follow-up 30 days; assessed with: No. of patients dying in hospital)
1observational studiesserious2no serious inconsistencyno serious indirectnessno serious imprecisionnone

Adjusted OR 1.02 (1.00 to 1.03)

Range of HR: 0.96-1.03

⨁⨁⨁⊝

MODERATE

30 day survival (follow-up 30 days; assessed with: No. of patients surviving to 30 days post admission) (weekend 8am-7.59pm)
1observational studiesno serious risk of biasno serious inconsistencyno serious indirectnessserious1noneAdjusted OR 1.03 (0.95 to 1.12)

⨁⨁⨁⊝

MODERATE

30 day survival (follow-up 30 days; assessed with: No. of patients surviving to 30 days post admission) (weekend 8pm-7.59am)
1observational studiesno serious risk of biasno serious inconsistencyno serious indirectnessserious1noneAdjusted OR 0.89 (0.78 to 1.02)

⨁⨁⨁⊝

MODERATE

30 day mortality (follow-up 30 days; assessed with: No. of patients dying within 30 days of admission)
1observational studiesno serious risk of biasno serious inconsistencyno serious indirectnessno serious imprecisionnoneAdjusted OR 1.14 (1.06 to 1.23)

⨁⨁⨁⨁

HIGH

30 day mortality (follow-up 30 days; assessed with: No. of patients dying within 30 days of admission) (A&E admissions)
1observational studiesno serious risk of biasno serious inconsistencyno serious indirectnessno serious imprecisionnoneAdjusted OR 1.05 (1.04 to 1.07)

⨁⨁⨁⨁

HIGH

30 day mortality (follow-up 30 days; assessed with: No. of patients dying within 30 days of admission) (direct admissions)
1observational studiesno serious risk of biasno serious inconsistencyno serious indirectnessno serious imprecisionnoneAdjusted OR 1.21 (1.16 to 1.26)

⨁⨁⨁⨁

HIGH

30 day mortality (follow-up 30 days; assessed with: No. of patients dying within 30 days)
3observational studiesno serious risk of biasserious4no serious indirectnessno serious imprecisionnone

Adjusted HR 1.13 (1.1 to 1.15)

Range of HR: 0.96-1.15

⨁⨁⨁⊝

MODERATE

Avoidable adverse events (assessed with: re-bleeding)
1observational studiesno serious risk of biasno serious inconsistencyserious3serious1noneAdjusted OR 0.91 (0.74 to 1.12)

⨁⨁⊝⊝

LOW

Avoidable adverse events (assessed with: surgery/radiology)
1observational studiesno serious risk of biasno serious inconsistencyserious3serious1noneAdjusted OR 1.13 (0.81 to 1.58)

⨁⨁⊝⊝

LOW

Avoidable adverse events (assessed with: red cell transfusion
1observational studiesno serious risk of biasno serious inconsistencyserious3serious1noneAdjusted OR 1.12 (0.94 to 1.33)

⨁⨁⊝⊝

LOW

Avoidable adverse events (follow-up 24 hours; assessed with: inadequate response to NEWS)
1observational studiesserious2no serious inconsistencyno serious indirectnessno serious imprecisionprospective single centre study, unclear whether staff were aware of the study and outcome was appropriate clinical response - potential for performance biasAdjusted OR 4.15 (2.24 to 7.69)

⨁⨁⨁⊝

MODERATE

Avoidable adverse events (assessed with: aspiration pneumonia)
1observational studiesno serious risk of biasno serious inconsistencyno serious indirectnessno serious imprecisionnoneAdjusted OR 1.11 (1.04 to 1.18)

⨁⨁⨁⨁

HIGH

Length of stay (follow-up 56 days; assessed with: discharge to usual place of residence within 56 days)
1observational studiesno serious risk of biasno serious inconsistencyno serious indirectnessno serious imprecisionnoneAdjusted OR 0.92 (0.88 to 0.96)

⨁⨁⨁⨁

HIGH

1

Downgraded by 1 increment if the confidence interval crossed the null line.

2

Downgraded by 1 increment if the majority of the evidence was at high risk of bias, and downgraded by 2 increments if the majority of the evidence was at very high risk of bias.

3

Downgraded by 1 increment if the majority of evidence included an indirect population or 2 increments if the majority of the evidence included a very indirect population.

4

Downgraded by 1 or 2 increments because heterogeneity, I2=50%, p=0.04, unexplained by subgroup analysis.

From: Chapter 41, Cost-effectiveness analyses

Cover of Emergency and acute medical care in over 16s: service delivery and organisation
Emergency and acute medical care in over 16s: service delivery and organisation.
NICE Guideline, No. 94.
National Guideline Centre (UK).
Copyright © NICE 2018.

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