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Table 2 Dietary data and scores of diet quality index-revised (DQI-R) and its components among cases and controls

From: International diet quality index and revised diet quality index relationship with non-alcoholic fatty liver disease: a case-control study

Variables

Cases (n = 225)

Controls(n = 450)

P-value*

Dietary intake

   

Energy intake (Kcal/d)

2315 ± 606

2170 ± 625

0.004

Carbohydrate (% of energy)

55.9 ± 7.4

55.9 ± 6.5

0.913

Protein (% of energy)

13.2 ± 2.4

13.2 ± 2.2

0.927

DQI-R components (per 1000 Kcal)

   

Total fat score

3.23 ± 1.88

3.51 ± 2.00

0.079

Saturated fatty acids score

3.14 ± 2.08

3.23 ± 2.30

0.585

Dietary cholesterol score

4.18 ± 1.89

4.51 ± 2.15

0.044

Fruit intake score

3.14 ± 1.90

3.41 ± 1.92

0.092

Vegetable intake score

2.43 ± 1.75

3.16 ± 1.95

< 0.001

Grain intake score

3.72 ± 1.27

3.73 ± 1.48

0.973

Calcium intake score

3.50 ± 1.24

3.67 ± 1.35

0.101

Iron intake score

4.26 ± 1.27

4.52 ± 1.60

0.032

Dietary diversity score

3.17 ± 0.72

3.25 ± 0.79

0.185

Grains score

0.56 ± 0.18

0.58 ± 0.20

0.235

Vegetable score

0.61 ± 0.22

0.65 ± 0.23

0.018

Fruit score

0.73 ± 0.29

0.79 ± 0.32

0.032

Meat and dairy score

0.85 ± 0.22

0.85 ± 0.26

0.945

Dietary moderation score

2.66 ± 1.15

3.32 ± 1.33

< 0.001

Added sugar score

1.10 ± 0.39

1.24 ± 0.40

< 0.001

Discretionary fat score

0.65 ± 0.44

1.12 ± 0.48

< 0.001

Sodium score

0.91 ± 0.55

0.95 ± 0.63

0.386

DQI-R score (per 1000 Kcal)

34.1 ± 9.2

37.7 ± 10.5

< 0.001

  1. Data are presented as mean ± standard deviation
  2. *P-value was determined using the independent two-sample t-test