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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 2.

Preoperative Depression and Cognitive Status Data (n = 100)

Mean ± S.D. (range)
GDS-SF 3.1 ± 3.2 (0 – 13)
3 MS 92.5 ± 4.9 (75-99)
Digit Symbol Test (number correct) 46.5 ± 15.6 (8- 93)
Symbol Search Test (number correct) 21.1 ± 7.9 (4-36)
Trails B Time ( time in seconds) 135.0 ± 75.5 (42-300)

GDS-SF is Geriatric Depression Score – Short Form

3MS is Modified Mini-Mental State