Table 2 Anthropometric measurements.

From: Comparison of a pre-bariatric surgery very low-calorie ketogenic diet and the Mediterranean diet effects on weight loss, metabolic parameters, and liver size reduction

Anthropometric measurements

VLCKD-SDM (n = 15)

MD (n = 15)

p value*

I.Q-3.Q

Median

I.Q-3.Q

Median

IBMI (kg/m2)

22.0 to 24.0

24

22.0 to 24.0

24

0.563

IBW (kg)

54.7to 64.6

59.9

57.7 to 66.9

59.6

0.590

Weight (kg)

Pre-diet

109.0 to 157.0

125.3

118.0 to 143.0

135

0.756

Post-diet

105.0 to 148.0

114

114.0 to 140.0

131

0.443

Change

− 9.0 to − 5.8

− 6.4

− 4.0 to − 3.0

− 3.3

 < 0.001

Change p

 < 0.001§

 < 0.001§

 

Weight loss (%)

4.8 to 6.7

5.4

2.1 to 3.1

2.5

 < 0.001

BMI (kg/m2)

Pre-diet

43.2 to 61.8

47.8

45.5 to 52.8

49.7

0.803

Post-diet

39.4 to 59.4

45.8

43.9 to 51.6

48.9

0.633

Change

− 3.3 to − 2.1

− 2.7

− 1.6 to − 1.0

− 1.4

 < 0.001

Change p

 < 0.001§

 < 0.001§

 

NRI

45.3 to 46.5

46.1

46.8 to 47.3

47

 < 0.001

MUAC (cm)

Pre-diet

38.0 to 47.0

42

41.0 to 47.0

43

0.505

Post-diet

34.0 to 44.0

38

40.0 to 46.0

42.5

0.014

Change

− 6.0 to − 2.0

− 3

− 1.0 to 0.0

− 0.5

 < 0.001

Change p

 < 0.001§

 < 0.001§

 

Waist circumference (cm)

Pre-diet

123.0 to 150.0

135

127.0 to 150.0

140

0.803

Post-diet

113.0 to 141.0

130

124.0 to 146.0

136

0.361

Change

− 10.0 to − 5.0

− 8

− 4.0 to − 2.0

− 3

 < 0.001

Change p

 < 0.001§

 < 0.001§

 

Hip circumference (cm)

Pre-diet

127.0 to 172.0

141

136.0 to 157.0

142

0.901

Post-diet

121.0 to 163.0

135

134.0 to 154.0

141

0.442

Change

− 11.0 to − 7.0

− 8

− 4.0 to − 1.0

− 2

 < 0.001

Change p

 < 0.001§

 < 0.001§

 

Waist/hip ratio

Pre-diet

0.89 to 0.99

0.96

0.90 to 1.03

0.93

0.934

Post-diet

0.90 to 0.99

0.97

0.90 to 1.03

0.93

0.967

Change

− 0.01 to 0.02

0.01

− 0.01 to 0.01

− 0.01

0.633

Change p

 < 0.001§

 < 0.001§

 

Fat (%)

Pre-diet

52.8 to 71.1

56.2

52.4 to 69.4

58.6

0.934

Post-diet

50.3 to 67.6

53.3

51.5 to 67.6

57.4

0.663

Change

− 4.0 to − 2.5

− 3.2

− 1.9 to − 1.2

− 1.7

 < 0.001

Change p

 < 0.001§

 < 0.001§

 

LBM (kg)

Pre-diet

54.3 to 86.3

57.5

58.8 to 74.0

67

0.633

Post-diet

46.4 to 79.9

53.5

55.9 to 72.0

65

0.419

Change

− 6.4 to − 4.1

− 4.6

− 2.8 to − 2.1

− 2.6

 < 0.001

Change p

 < 0.001§

 < 0.001§

 
  1. Significant values are in bold.
  2. *Mann–Whitney U test.
  3. Chi-square test (Fisher’s exact test).
  4. §Wilcoxon test.
  5. N number of the patients, 1.Q interquartile range 25%, 3.Q interquartile range 75%, NRI nutritional risk index, MUAC middle-upper arm circumference, LBM lean body mass.