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. Author manuscript; available in PMC: 2010 Oct 13.
Published in final edited form as: Anesthesiology. 2009 Apr;110(4):788–795. doi: 10.1097/aln.0b013e31819b5ba6

Table 4.

Multivariate Analysis of Preoperative Factors Associated with Postoperative Delirium

Per Unit Odds Ratio 95% Confidence Interval P value
GDS - 15 1.53 1.22 – 2.05 0.0001*
Trails B Time 1.02 1.01 – 1.04 0.0007*
Digit Symbol Test 1.03 0.95 – 1.13 0.4916
Symbol Search Test 0.92 0.77 – 1.11 0.3715

GDS-SF is Geriatric Depression Score – Short Form

*

P < 0.05