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Table 1 Baseline characteristics of the study subjects

From: High pulse pressure and metabolic syndrome are associated with proteinuria in young adult women

 

Total*

Persistent proteinuria

  

Negative

Positive

P

Number, n (%)

10367

10270

97

-

Age (years)

28.9 ± 5.5

28.8 ± 5.5

29.3 ± 5.5

0.572

Smoker, n (%)

   

<0.001

  Ex-smoker

95 (0.9)

87 (0.8)

8 (8.2)

 

  Current

102 (1.0)

93 (0.9)

9 (9.2)

 

Height (cm)

161.5 ± 4.9

161.4 ± 4.9

162.4 ± 5.1

0.243

Weight (kg)

54.5 ± 8.5

54.0 ± 7.9

60.0 ± 12.4

<0.001

BMI (kg/m2)

20.9 ± 3.2

20.7 ± 2.9

23.2 ± 4.8

<0.001

Waist circumference (cm)

69.6 ± 7.3

69.3 ± 6.6

74.2 ± 11.6

<0.001

Systolic BP (mmHg)

107.0 ± 11.4

105.0 ± 10.9

118.1 ± 12.4

<0.001

Diastolic BP (mmHg)

66.7 ± 8.9

66.7 ± 9.0

66.3 ± 8.2

0.765

Pulse pressure (mmHg)

43.3 ± 9.3

38.4 ± 8.7

51.8 ± 11.1

<0.001

Hemoglobin (g/dL)

12.7 ± 0.9

12.7 ± 0.9

12.8 ± 1.2

0.552

Fasting glucose (mg/dL)

86.5 ± 13.3

85.7 ± 10.8

95.6 ± 28.5

<0.001

Serum creatinine (mg/dL)

0.66 ± 0.10

0.64 ± 0.09

0.70 ± 0.15

0.013

Estimated GFR

    

  CKD-EPI (mL/min/1.73 m2)

117.6 ± 10.8

117.7 ± 10.7

111.5 ± 17.1

<0.001

  MDRD Study (mL/min/1.73 m2)

110.9 ± 33.1

111.0 ± 33.1

101.3 ± 23.2

0.048

Total cholesterol (mg/dL)

178.8 ± 29.4

177.8 ± 29.0

189.1 ± 31.7

0.015

HDL cholesterol (mg/dL)

67.6 ± 18.3

68.2 ± 18.5

62.2 ± 15.8

0.040

LDL cholesterol (mg/dL)

95.7 ± 27.3

94.7 ± 26.8

106.9 ± 30.7

0.006

Triglyceride (mg/dL)

78.0 ± 36.8

75.5 ± 35.0

104.7 ± 45.1

<0.001

UACR (mg/g)

-

-

0.45 (0.26-2.6)

-

UPCR (mg/g)

-

-

0.57 (0.31-3.6)

-

Blood on dipstick test, n (%)

   

0.015

  None

8558 (82.6%)

8495 (82.7%)

63 (64.9%)

 

  Trace

1540 (14.8%)

1534 (14.9%)

6 (6.3%)

 

  Positive

269 (2.5%)

241 (2.3%)

28 (28.8%)

 
  1. *Total: All screening subjects (n = 10,385) – subjects without repeat urinalysis (n = 18).
  2. Abbreviations: BMI, body mass index; BP, blood pressure; GFR, glomerular filtration rate; CKD-EPI, CKD-Epidemiology Collaboration; MDRD Study equation, Modification of Diet in Renal Disease Study equation; HDL, high-density lipoprotein; LDL, low-density lipoprotein; UACR, urine albumin-to-creatinine ratio; UPCR, urine protein-to-creatinine ratio.