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Table 2 Several variables of participants, by quartile of total VB2 intake

From: Association of vitamin B2 intake with cognitive performance in older adults: a cross-sectional study

Variables

Q1, n = 737 (25%)1

Q2, n = 603 (25%)1

Q3, n = 528 (25%)1

Q4, n = 458 (25%)1

P2

Total VB2 intake

1.29 (1.07, 1.47)

2.06 (1.89, 2.28)

3.18 (2.89, 3.46)

5.26 (4.41, 22.01)

AFT

17.00 (13.00, 20.00)

18.00 (14.00, 21.00)

18.00 (14.00, 22.00)

19.00 (15.00, 23.00)

 < 0.001

CERAD Trial 1 Recall

5.00 (4.00, 6.00)

5.00 (4.00, 6.00)

5.00 (4.00, 6.00)

5.00 (4.00, 6.00)

0.009

CERAD Trial 2 Recall

7.00 (6.00, 8.00)

7.00 (6.00, 8.00)

7.00 (6.00, 8.00)

7.00 (6.00, 9.00)

0.080

CERAD Trial 3 Recall

8.00 (7.00, 9.00)

8.00 (7.00, 9.00)

8.00 (7.00, 9.00)

8.00 (7.00, 9.00)

0.263

CERAD total

20.00 (17.00, 23.00)

20.00 (17.00, 23.00)

20.00 (17.00, 23.00)

20.00 (18.00, 23.30)

0.098

CERAD Delayed Recall

6.00 (5.00, 8.00)

7.00 (5.00, 8.00)

6.00 (5.00, 8.00)

7.00 (5.00, 8.00)

0.545

DSST

51.97 (37.00, 62.00)

51.00 (42.00, 63.00)

54.00 (42.89, 65.27)

56.00 (47.00, 66.00)

 < 0.001

ALT

18.00 (15.00, 24.00)

19.00 (16.00, 25.00)

20.00 (17.00, 26.00)

21.00 (17.00, 26.00)

 < 0.001

AST

22.00 (19.00, 27.00)

22.00 (20.00, 27.00)

24.00 (21.00, 27.00)

25.00 (22.00, 28.00)

 < 0.001

Cholesterol

4.83 (4.24, 5.77)

4.89 (4.09, 5.60)

4.89 (4.06, 5.70)

4.94 (4.19, 5.66)

0.672

  1. 1Median (IQR)
  2. 2Wilcoxon rank-sum test for complex survey samples