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Table 3 Regression coefficients (linear regression analysis) between hippocampal volume in patients and controls, and odor identification and memory tests

From: The brain structural and cognitive basis of odor identification deficits in mild cognitive impairment and Alzheimer's disease

Tests Hippocampal volume
  Patients beta (p value) Controls beta (p value)
B-SIT 0.58 (0.012)* 0.10 (0.60)
SSIT 0.71 (0.002)* 0.22 (0.26)
MMSE 0.36 (0.18) 0.46 (0.014)*
Ten-word test, total recall 0.03 (0.91) 0.20 (0.30)
Ten-word test, delayed recall 0.21 (0.43) 0.38 (0.043)*
RCFT, figure copying -0.53 (0.06) 0.03 (0.86)
RCFT, immediate recall 0.002 (0.99) 0.04 (0.85)
RCFT, delayed recall 0.15 (0.62) 0.12 (0.60)
  1. Linear regression analysis: *p < 0.05
  2. B-SIT; Brief Smell Identification Test, SSIT; Sniffin Sticks Identification Test, MMSE; Mini-Mental State Examination, RCFT; Rey-Osterrieth Complex Figure Test.