Skip to main content

Table 1 Demographics and cognitive and cerebral Aβ measures

From: Salivary lactoferrin is associated with cortical amyloid-beta load, cortical integrity, and memory in aging

  Total sample
N = 74
Female
N = 51
Male
N = 23
Age 66.5 ± 5.7 66.0 ± 5.9 67.6 ± 5.1
Education years 12.5 ± 4.9 12.5 ± 5.2 12.4 ± 4.1
ApoE4 (yes/no) 16/58 11/40 6/17
CDR 0 0 0
MMSE 29.0 ± 1.2 28.9 ± 1.2 29.3 ± 1.1
Memory Binding Test    
 Total free recall 15.5 ± 4.4 15.8 ± 4.3 14.9 ± 4.7
 Pairs in free recall 5.9 ± 2.8 6.0 ± 2.7 5.8 ± 3.0
 Total paired recall 24.6 ± 4.2 24.6 ± 3.9 24.7 ± 4.8
 Paired recall pairs 9.7 ± 3.7 9.7 ± 3.8 9.7 ± 3.5
 Total delayed free recall 16.4 ± 4.9 16.6 ± 4.8 16.0 ± 5.1
 Pairs in delayed free recall 6.3 ± 3.1 6.4 ± 3.0 6.1 ± 3.3
 Total delayed paired recall 24.0 ± 4.6 23.9 ± 4.4 24.1 ± 5.2
Letter-Number Test 9.0 ± 2.3 8.8 ± 2.1 9.7 ± 2.7
Digit span 14.3 ± 3.2 14.1 ± 3.0 14.9 ± 3.4
D2 Test of Attention 364.1 ± 94.0 355.6 ± 107.0 382.8 ± 52.8
TMT-A 47.0 ± 21.5 47.6 ± 21.5 45.6 ± 22.0
TMT-B 119.5 ± 67.7 123.4 ± 69.6 110.8 ± 63.8
Tower of London 319.3 ± 113.2 338.6 ± 121.4 276.3 ± 78.8
Boston Naming Test 12.1 ± 2.1 11.9 ± 2.1 12.5 ± 1.9
Salivary LF (μg/ml) 6.2 ± 2.9 6.0 ± 2.9 6.5 ± 2.8
Saliva total protein (μg/ml) 4.1 ± 1 4.1 ± 1.1 4.2 ± 1
Global Aβ load (SUVR) 1.2 ± 0.3 1.1 ± 0.3 1.2 ± 0.3
FBB-PET (positive Aβ) 10 7 3
  1. Results are expressed as mean ± SD, unless otherwise stated. CDR Clinical Dementia Rating, MMSE Mini Mental State Examination, TMT-A and B Trail Making test (forms A and B), LF lactoferrin, SUVR standardized uptake value ratios, FBB Florbetaben