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Table 3 Descriptive statistics for each variable

From: Identifying suppressive factors of Alzheimer’s disease through comprehensive analysis of real-world data: a single-center retrospective study

Variables

Descriptive statistics

AD group (%)

Non-AD group (%)

Age median (Q1–Q3)

76.0 (68.3–81.0)

55.0 (30.0–71.0)

Male

152 (33.2)

92,543 (47.8)

Female

306 (66.8)

101,003 (52.2)

VB1_1

10 (2.18)

696 (0.360)

VB1_2

446 (97.4)

192,509 (99.5)

VB1_3

2 (0.437)

341 (0.176)

VB12_1

9 (1.97)

621 (0.321)

VB12_2

433 (94.5)

190,881 (98.6)

VB12_3

16 (3.49)

2,044 (1.06)

Folate_1

16 (3.49)

1,626 (0.840)

Folate_2

442 (96.5)

191,920 (99.2)

Free T3_1

17 (3.71)

3,106 (1.60)

Free T3_2

431 (94.1)

188,816 (97.6)

Free T3_3

10 (2.18)

1,624 (0.839)

BNP_2

414 (90.4)

187,605 (96.9)

BNP_3

44 (9.61)

5,941 (3.07)

TSH_1

3 (0.655)

1,337 (0.691)

TSH_2

427 (93.2)

184,776 (95.5)

TSH_3

28 (6.11)

7,433 (3.84)

Free T4_1

2 (0.437)

308 (0.159)

Free T4_2

451 (98.5)

192,084 (99.2)

Free T4_3

5 (1.09)

1,154 (0.596)

T3_1

2 (0.437)

335 (0.173)

T3_2

456 (99.6)

193,071 (99.8)

T3_3

0 (0.00)

140 (0.0723)

T4_1

0 (0.00)

150 (0.0775)

T4_2

458 (100)

193,288 (99.9)

T4_3

0 (0.00)

108 (0.0558)

Carbazochrome sodium sulfonate hydrate

57 (12.4)

32,597 (16.8)

Donepezil hydrochloride

49 (10.7)

158 (0.0816)

Tipepidine hibenzate

8 (1.75)

10,315 (5.33)

Aniracetam

52 (11.4)

426 (0.220)

Rivastigmine

10 (2.18)

6 (0.00310)

Glucose solution

31 (6.77)

21,660 (11.2)

Glycerin

13 (2.84)

10,363 (5.35)

Saline

41 (8.95)

24,786 (12.8)

Memantine hydrochloride

5 (1.09)

3 (0.00155)

Quetiapine fumarate

20 (4.37)

375 (0.194)

Glycyrrhizic acid

31 (6.77)

18,161 (9.38)

Tranexamic acid

46 (10.0)

25,670 (13.3)

Senile dementia

21 (4.59)

184 (0.0951)

Dementia

46 (10.0)

513 (0.265)

Cerebral infarction sequelae

37 (8.08)

1,444 (0.746)

Neurosis

82 (17.9)

3,112 (1.61)

Schizophrenia

68 (14.8)

2,829 (1.46)

Sleep disturbance

53 (11.6)

6,632 (3.43)

Depression

57 (12.4)

5,560 (2.87)

Cerebral infarction

107 (23.4)

9,103 (4.70)

Cerebral arteriosclerosis

11 (2.40)

1,794 (0.927)

Cerebrovascular accident

50 (10.9)

4,249 (2.20)

Heart failure

74 (16.2)

5,988 (3.09)

Hypercholesterolemia

26 (5.68)

3,366 (1.74)

Hypothyroidism

82 (17.9)

6,728 (3.48)

Angina pectoris

38 (8.30)

5,158 (2.67)

Common cold

18 (3.93)

12,020 (6.21)

  1. Category 1 of VB1 is represented as VB1_1