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Table 1 Anthropometric measurements, inflammatory biomarker, and body composition parameters at baseline and after active phase

From: Very low-calorie ketogenic diet (VLCKD): an antihypertensive nutritional approach

Parameters

Women

at baseline

n = 137

Women

after VLCKD

n = 137

∆%

* p-value

Weight (kg)

97.74 ± 14.23

90.77 ± 13.45

− 7.12

< 0.001

BMI (kg / m 2)

37.00 ± 4.47

34.37 ± 4.29

< 0.001

Overweight

27, 19.7

+ 19.7

χ2  = 27.77, p< 0.001

Grade I obesity

51, 37.2

54, 39.4

+ 2.2

χ2  = 0.06, p = 0.804

Grade II obesity

50, 36.5

41, 29.9

− 6.6

χ2  = 1.05, p = 0.305

Grade III obesity

36, 26.3

15, 10.9

− 15.4

χ2  = 9.64, p= 0.002

WC (cm)

108.93 ± 12.89

102.71 ± 12.50

− 5.63

< 0.001

Inflammatory biomarker

    

 hs-CRP levels (mg / L)

3.82 ± 4.19

2.07 ± 2.73

− 38.66

< 0.001

 Low risk

25, 18.2

51, 37.2

+ 19.0

χ2  = 11.38, p< 0.001

 Intermediate risk

44, 32.1

65, 47.4

+ 15.3

χ2  = 9.04, p= 0.014

 High risk

68, 49.6

21, 15.3

− 34.3

χ2  = 35.21, p< 0.001

BIA parameters

    

 PhA (°)

5.43 ± 0.85

5.87 ± 0.87

+ 8.96

< 0.001

 TBW (Lt)

40.83 ± 5.05

39.89 ± 5.05

− 2.21

< 0.001

 ECW (Lt)

19.93 ± 2.94

18.61 ± 2.75

− 6.43

< 0.001

 Na / K ratio

0.94 ± 0.13

0.92 ± 0.12

− 1.68

0.011

 FM (kg)

43.49 ± 11.63

37.04 ± 10.50

− 14.73

< 0.001

Blood pressure

    

 SBP (mmHg)

140.88 ± 8.99

122.56 ± 10.08

− 12.89

< 0.001

 DBP (mmHg)

88.90 ± 6.71

78.94 ± 6.68

− 10.93

< 0.001

  1. Data are expressed as number and percentage (n, %) or mean ± standard deviation (mean ± SD) * A p value in bold type denotes a significant difference (p < 0.05)
  2. SD standard deviation, VLCKD very low -calorie ketogenic diet, BMI body mass index, WC waist circumference, hs-CRP high - sensitivity C-reactive protein, BIA bioelectrical impedance analysis, PhA phase angle, TBW total body water, ECW Extracellular water, Na sodium, K potassium, FM fat mass, SBP systolic blood pressure, DBP diastolic blood pressure