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Table 1 Baseline characteristics of the participants in the training set and validation set

From: Development and validation of an online dynamic nomogram based on the atherogenic index of plasma to screen nonalcoholic fatty liver disease

Characteristics

Training set

(n = 1,200)

Validation set

(n = 1,118)

P value

Demographic characteristics

 Male (n (%))

554 (46.2)

507 (45.3)

0.693

 Age (years, M (IQR))

43 (31–51)

43 (31–51)

0.396

 BMI (kg/m2, M (IQR))

22.31(20.38–24.45)

22.43 (20.58–24.56)

0.322

 WC (cm, M (IQR))

80 (74–87)

80 (74–86)

0.822

 HC (cm, M (IQR))

94 (90–98)

94 (91–99)

0.089

 SBP (mmHg, M (IQR))

118 (108–126)

118 (108–125)

0.439

 DBP (mmHg, M (IQR))

78 (70–84)

78 (70–84)

0.626

 Smoker (n (%))

202 (16.8)

161 (14.4)

0.157

 Tea drinkers (n (%))

634 (52.8)

570 (51.0)

0.625

 Hypertension (n (%))

217 (18.1)

190 (17.0)

0.491

 Diabetes (n (%))

59 (4.9)

49 (4.4)

0.542

 NAFLD (n (%))

272 (22.7)

257 (23.0)

0.854

Clinical characteristics

 GGT (U/L, M (IQR))

20 (15–29)

20 (15–30)

0.675

 ALT (U/L, M (IQR))

18 (13–26)

18 (13–25)

0.990

 AST (U/L, M (IQR))

20 (18–24)

21 (18–24)

0.734

 FPG (mmol/L, M (IQR))

5.13 (4.87–5.43)

5.16 (4.92–5.45)

0.227

 TC (mmol/L, M (IQR))

4.98 (4.53–5.51)

4.97 (4.56–5.46)

0.696

 TG (mmol/L, M (IQR))

1.15 (0.88–1.59)

1.13 (0.88–1.59)

0.431

 LDL-C (mmol/L, M (IQR))

3.11 (2.66–3.57)

3.11 (2.69–3.52)

0.991

 HDL-C (mmol/L, M (IQR))

1.37 (1.18–1.47)

1.36 (1.17–1.46)

0.278

 AIP (M (IQR))

-0.060 (-0.217–0.127)

-0.069 (-0.217–0.115)

0.655

  1. BMI body mass index, WC waist circumference, HC hip circumference, SBP systolic blood pressure, DBP diastolic blood pressure, GGT γ-glutamyl transferase, ALT alanine transferase, AST aspartate aminotransferase, FPG fasting plasma glucose, TC total cholesterol, TG total triglyceride, LDL low-density lipoprotein, HDL-C high-density lipoprotein cholesterol, AIP atherogenic index of plasma, NAFLD nonalcoholic fatty liver disease, M (IQR) median (interquartile range)