Table 1 Baseline descriptive results (age, years of education, cognitive measures and olfactory function were assessed and data analyzed in terms of gender and APOE genotype; Total N=308)

From: Olfactory discrimination predicts cognitive decline among community-dwelling older adults

Variables

Male ( N= 99)

Female (N=209)

P

APOE-ɛ4anon-carrier ( N= 202)

APOE-ɛ4 carrier ( N= 99)

P

Total cohort

Age

65.19 (±7.59)

62.05 (±6.88)

0.000*

63.43 (±7.62)

62.70 (±6.39)

0.413

63.06 (±7.25)

Education years

14.05 (±4.14)

13.34 (±3.56)

0.127

13.58 (±3.91)

13.41 (±3.43)

0.713

13.57 (±3.77)

MMSE

29.05 (±1.12)

29.20 (±1.09)

0.281

29.16 (±1.17)

29.11 (±0.96)

0.729

29.15 (±1.10)

CAMCOG-R

98.58 (±3.58)

98.71 (±3.34)

0.743

98.75 (±3.50)

98.49 (±3.12)

0.536

98.67 (±3.41)

SS-T

7.03 (±2.58)

7.58 (± 2.34)

0.063

7.44 (±2.35)

7.30 (±2.09)

0.622

7.40 (±2.37)

SS-D

11.31 (±2.25)

11.88 (±2.43)

0.058

11.83 (±2.37)

11.49 (±2.41)

0.260

11.69 (±2.39)

SS-I

12.64 (±1.80)

12.49 (±2.04)

0.539

12.54 (±1.98)

12.56 (±1.80)

0.919

12.54 (±1.96)

SS-TDI

30.67 (±4.53)

31.72 (±4.63)

0.061

31.54 (±4.58)

31.08 (±4.53)

0.414

31.38 (±4.62)

  1. Abbreviations: CAMCOG-R, The Revised Cambridge Cognitive Examination; MMSE, Mini Mental State Examination; SS-D, Sniffin’ Sticks discrimination; SS-I, Sniffin’ Sticks identification; SS-T, Sniffin’ Sticks threshold; SS-TDI, Sniffin’ Sticks composite score.
  2. aApolipoprotein E ɛ4 allele.
  3. *P0.05.