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Table 2 Comparison of clinical characteristics between amnestic mild cognitive impairment (aMCI) and healthy control (HC) groups

From: Mapping the long-term delayed recall-based cortex-hippocampus network constrained by the structural and functional connectome: a case-control multimodal MRI study

Characteristics

HC

n = 58

aMCI

n = 73

P-value

Cohen’s d (95%CI)

Basic characteristics

 Gender (% female)

42 (72.4%)

43 (58.9%)

0.141

--

 Age (y)

64.64 (6.87)

66.55 (6.97)

0.119

--

 Education (y)

10.69 (3.16)

10.34 (2.74)

0.501

--

 Smoking (%)

4 (6.98%)

11 (15.07%)

0.175

--

 Drinking (%)

7 (12.07%)

4 (5.48%)

0.214

--

 Height (cm)

178.49 (109.82)

174.56 (998.30)

0.830

--

 Weight (kg)

61.73 (9.50)

63.24 (10.91)

0.404

--

 Hypertension

25 (43.10%)

23 (31.51%)

0.203

--

 Hypercholesterolemia

6 (10.34%)

8 (10.96%)

1.000

--

 Diabetes

11 (18.97%)

14 (19.18%)

1.000

--

Daily life performance

 ECog

17.41 (4.98)

21.41 (7.42)

< 0.001

0.647 (0.307, 0.997)

 PSQI

5.85 (2.87)

6.86 (4.83)

0.158

0.25 (0.10, 0.60)

Physical performance

 TUGT_time (s)

9.42 (1.76)

9.89 (2.30)

0.191

0.23 (0.12, 0.57)

Emotional performance

 HAMD

2.12 (2.52)

1.60 (2.05)

0.197

0.23 (0.12, 0.58)

 HAMA

2.69 (2.29)

2.88 (2.34)

0.647

0.08 (0.27, 0.43)

Cognitive performance

General cognitive function

 MMSE

28.33 (1.43)

26.70 (1.71)

< 0.001

1.024 (0.656, 1.389)

 MoCA_B

26.36 (1.91)

22.62 (3.15)

< 0.001

1.478 (1.084, 1.867)

 ACE_III

82.62 (7.15)

77.07 (7.09)

< 0.001

0.780 (0.421, 1.137)

Memory function

 AVLT

33.38 (7.11)

17.55 (5.14)

< 0.001

2.508 (2.016, 2.994)

 AVLT_N1

4.33 (1.33)

2.89 (1.02)

< 0.001

1.195 (0.811, 1.573)

 AVLT_N2

6.98 (1.85)

4.55 (1.23)

< 0.001

1.519 (1.109, 1.923)

 AVLT_N3

8.38 (1.70)

5.34 (1.59)

< 0.001

1.849 (1.434, 2.258)

 AVLT_N4

6.98 (1.82)

2.70 (1.60)

< 0.001

2.522 (2.057, 2.981)

 AVLT_N5

6.71 (1.88)

2.07 (1.47)

< 0.001

2.790 (2.303, 3.271)

 AVLT_N6

6.47 (2.46)

2.27 (1.61)

< 0.001

1.973 (1.524, 2.415)

 AVLT_N7

22.05 (2.02)

18.30 (2.38)

< 0.001

1.684 (1.280, 2.082)

Language function

 BNT

24.64 (2.42)

21.38 (3.83)

< 0.001

1.042 (0.672, 1.409)

 AFT

18.40 (3.51)

15.84 (3.80)

< 0.001

0.697 (0.341, 1.051)

Executive function

 STT_B (s)

117.17 (35.91)

175.38 (78.30)

< 0.001

0.988 (0.621, 1.354)

 Stroop test_A

24.00 (0)

23.95 (0.23)

0.071

0.29 (0.06, 0.64)

 Stroop test_B

23.03 (1.97)

22.18 (2.56)

0.038

0.381 (0.032, 0.728)

Attention function

 SDMT_correct

43.79 (9.85)

28.34 (12.50)

< 0.001

1.391 (1.005, 1.774)

 DST_seq

7.40 (1.38)

7.07 (1.41)

0.183

0.24 (0.11, 0.58)

 DST_rev

4.85 (1.20)

4.45 (1.12)

0.055

0.35 (0, 0.69)

Spatial function

 JLO

21.75 (3.70)

21.32 (4.05)

0.526

0.11 (0.24, 0.46)

Brain volumes (cm3)

 TIV

1362.29 (154.73)

1366.16 (126.68)

0.88

0.03 (0.32, 0.38)

 GM

589.90 (53.05)

583.61 (50.86)

0.49

0.12 (0.23, 0.47)

 WM

485.93 (64.86)

478.46 (58.63)

0.49

0.12 (0.23, 0.47)

 Left hippocampus

2.90 (0.27)

2.84 (0.40)

0.31

0.17 (0.18, 0.52)

 Right hippocampus

3.18 (0.31)

3.13 (0.38)

0.40

0.14 (0.21, 0.49)

  1. Data are mean (standard deviation) or number of participants in each group (% of total). Abbreviations: ACE-III, Addenbrooke’s Cognitive Examination; aMCI, amnestic mild cognitive impairment; AFT, Animal Verbal Fluency Test; AVLT_N1, Auditory Verbal Learning Test, First Immediate Recall; AVLT_N2, Auditory Verbal Learning Test, Second Immediate Recall; AVLT_N3, Auditory Verbal Learning Test, the Third Immediate Recall; AVLT_N4, Auditory Verbal Learning Test, Short-Term Delay Recall; AVLT_N5, Auditory Verbal Learning Test, Long-Term Delay Recall; AVLT_N6, Auditory Verbal Learning Test, Long Delay Cued Recall; AVLT_N7, Auditory Verbal Learning Test, Recognition; BNT, Boston Naming Test; CI, confidence interval; DST_rev, Digit Span Test, reverse; DST_seq, Digit Span Test, sequence; ECog, Everyday Cognition; GM, gray matter; HAMA, Hamilton Anxiety Scale; HAMD, Hamilton Depression Scale; HC, healthy control; JLO, Judgment of Line Orientation; MMSE, Mini-Mental State Examination; WM, white matter; MoCA_B, Montreal Cognitive Assessment-basic; PSQI, Pittsburgh Sleep Quality Index; SDMT_correct, Symbol Digit Modalities Test, correct number; stt_b, Shape Trails Test, part B; TUGT_time, Timed Up and Go Test; TIV, total intracranial volumes