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Table 2 Association of vitamin D quartiles with prevalence of NAFLD in lean and obese participants

From: Low serum vitamin D concentrations are associated with obese but not lean NAFLD: a cross-sectional study

VD quartiles

Lean participants

Obese participants

Total

NAFLD

PR%

PR

χ2

P value

Total

NAFLD

PR%

PR

χ2

P value

Quartile 1

327

37

11.31

0.95

  

306

173

56.54

1.27

  

Quartile 2

292

38

13.01

1.09

  

343

205

59.77

1.34

  

Quartile 3

306

50

16.34

1.37

  

326

170

52.15

1.17

  

Quartile 4

319

38

11.91

1.00

4.133

0.247

319

142

44.51

1.00

17.118

< 0.01

  1. Participants were classified into quartiles according to their serum vitamin D levels: quartile 1, < 45.5 nmol/L; quartile 2, 45.5–59.5 nmol/L; quartile 3, 59.6–74.2 nmol/L; and quartile 4, ≥ 74.3 nmol/L
  2. VD vitamin D, PR% prevalence rate, PR prevalence ratio