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Table 1 Demographic, clinical, and neuropsychological characteristics of study participants

From: Association of accelerated long-term forgetting and senescence-related blood-borne factors in asymptomatic individuals from families with autosomal dominant Alzheimer’s disease

Variable

Mutation carriers (n = 18)

Non-carriers (n = 21)

p value

Demographic data

 Female, n (%)

8 (44.4)

11 (52.4)

0.751

 Age, y

38.0 (35.8–43.0)

35.0 (33.0–48.0)

0.282

 Estimated proximity to onset, y

11.0 (7.8–15.5)

NA

 

 Education, y

14.0 (11.0–15.3)

16.0 (11.5–16.5)

0.094

Cognitive level (global)

 MMSE score

29.5 (29.0–30.0)

30.0 (29.0–30.0)

0.512

 MoCA score

28.0 (27.0–28.0)

27.0 (27.0–28.5)

0.606

SCD-Q MyCog

 Total score

6.0 (2.0–9.3)

2.0 (0.5–7.0)

0.272

 Memory subscore

4.0 (1.8–6.0)

2.0 (0–4.5)

0.185

 Language subscore

1.0 (0–2.0)

0 (0–1.0)

0.262

 Executive subscore

1.0 (0–1.5)

0 (0–1.0)

0.150

Senescence-related factor

 CCL11, pg/ml

77.4 (64.1–92.4)

76.9 (51.2–90.6)

0.455

 MCP1, pg/ml

179.0 (137.3–212.3)

149.4 (122.5–194.2)

0.537

 GDF11, pg/ml

87.9 (52.6–118.2)

72.6 (42.4–91.2)

0.673

 THBS4, ng/ml

120.7 (85.2–161.3)

159.4 (117.5–217.5)

0.530

 SPARCL1, ng/ml

5.4 (3.9–7.3)

5.2 (4.1–6.8)

0.749

  1. For continuous variables, data are shown as median (IQR), and the Mann–Whitney U test was used for group comparison; for categorical variables, the chi-square test was used for group comparison
  2. Abbreviations: CCL11 CC chemokine ligand 11, GDF11 growth differentiation factor 11, MCP1 monocyte chemotactic protein 1, MMSE Mini-Mental State Examination, MoCA Montreal Cognitive Assessment, NA not applicable, SCD-Q Subjective Cognitive Decline Questionnaire, SPARCL1 secreted protein acidic and rich in cysteine like 1, THBS4 thrombospondin-4