Table 3 Metabolic parameters.

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

Metabolic parameters

VLCKD-SDM (n = 15)

MD (n = 15)

p value*

I.Q-3.Q

Median

I.Q-3.Q

Median

FBG (70–115 mg/dL)

Pre-diet

96.0 to 215.0

121

93.0 to 115.0

102

0.120

Post-diet

80.0 to 202.0

108

88.0 to 103.0

96

0.271

Change

− 50.0 to 1.0

− 13

− 12.0 to 4.0

− 5

0.198

Change p

0.051

0.077

 

Cholesterol (112–200 mg/dL)

Pre-diet

154.0 to 203.0

175

166.5 to 217.8

190

0.445

Post-diet

132.0 to 182.0

142

157.5 to 205.3

183.5

0.012

Change

− 34.0 to − 15.0

− 22

− 14.0 to − 4.0

− 0.6

0.008

Change p

 < 0.001

0.004

 

HDL (28–75 mg/dL)

Pre-diet

35.0 to 54.0

44

37.8 to 54.3

47

0.555

Post-diet

33.0 to 46.0

39

38.0 to 48.3

45

0.175

Change

− 11.0 to − 3.0

− 5

− 6.0 to 2.0

− 3

0.041

Change p

0.015

0.055

 

LDL (0–160 mg/dL)

Pre-diet

90.0 to 132.0

112

93.0 to 156.0

129

0.361

Post-diet

74.0 to 110.0

96

94.3 to 153.5

130

0.025

Change

− 28.0 to − 10.0

− 16

− 8.0 to − 3.0

− 4.8

0.003

Change p

0.004

0.003

 

TG (35–150 mg/dL)

Pre-diet

102.0 to 213.0

114

86.0 to 233.0

156

0.983

Post-diet

94.0 to 177.0

108

80.3 to 208.3

129

0.727

Change

− 20.4 to − 7.0

− 11

− 21.0 to − 5.0

− 8

0.430

Change p

0.009

0.009

 
  1. Significant values are in bold.
  2. n number of the patients, 1.Q interquartile range 25%, 3.Q interquartile range 75%, FBG fasting blood glucose, HbA1C Hemoglobin A1C, HDL high-density lipoprotein, LDL low-density lipoprotein, TG triglycerides.
  3. *Mann–Whitney U test.
  4. Wilcoxon test.