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Nikolaus 1999 Ward (Continued)<br />

Blinding (per<strong>for</strong>mance bias and detection<br />

bias)<br />

All outcomes<br />

Incomplete outcome data (attrition bias)<br />

All outcomes<br />

Low risk Initial staff blinding. Blinded outcome <strong>assessment</strong><br />

Low risk Intention-<strong>to</strong>-treat analysis<br />

Selective reporting (reporting bias) Unclear risk No a priori documentation could be found<br />

<strong>to</strong> judge this item<br />

Other bias Low risk No apparent selection bias, per<strong>for</strong>mance<br />

bias or attrition bias<br />

Baseline outcome measurements similar Unclear risk Baseline measurements described but not<br />

tabulated<br />

Baseline characteristics similar Unclear risk Baseline characteristics not tabulated<br />

Study protected against contamination Low risk Separate staff working in discrete units<br />

Powell 1990<br />

Methods Year: 1990<br />

Location: Mani<strong>to</strong>ba, Canada<br />

Team/ward?: ward<br />

Timing: direct<br />

Trial methodology: randomised controlled trial<br />

Participants Numbers (<strong>to</strong>tal): 203<br />

Mean age: uncertain<br />

Male:female ratio: uncertain<br />

Inclusion criteria: acute medical admissions over 74 years<br />

Exclusion criteria: requiring psychiatric or surgical care<br />

Patient selection criteria: unselected<br />

Patient selection criteria details: uncertain. Unselected 75 and over patients<br />

Interventions Team members: unknown<br />

Team organisation: unknown<br />

Outcomes Outcomes: death, institutionalisation, cognitive function, depression, dependence<br />

Trial conclusions: non-significant differences in favour of the treatment group<br />

Notes Abstract only available<br />

Risk of bias<br />

Bias Authors’ judgement Support <strong>for</strong> judgement<br />

<strong>Comprehensive</strong> <strong>geriatric</strong> <strong>assessment</strong> <strong>for</strong> <strong>older</strong> <strong>adults</strong> <strong>admitted</strong> <strong>to</strong> hospital (Review)<br />

Copyright © 2011 The Cochrane Collaboration. Published by John Wiley & Sons, Ltd.<br />

42

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