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Table 2 The changes in body composition and lipid indices at baseline, 6 months and 12 months after surgery

From: Changes in lipid indices and body composition one year after laparoscopic gastrectomy: a prospective study

 

Baseline

Δ 6 months

Δ 12 months

*P value

**P value

§P value

BMI (kg/m2)

23.1 ± 3.4

−1.72 ± 1.7

−1.75 ± 2.1

<  0.001

0.821

0.030

Body weight (kg)

63.4 ± 10.9

−4.60 ± 4.6

−4.58 ± 5.3

<  0.001

0.992

<  0.001

BMC (kg)

2.21 ± 0.4

− 0.046 ± 0.091

−0.068 ± 0.11

0.004

0.298

0.002

LBM (kg)

46.7 ± 9.2

− 1.55 ± 2.4

−3.05 ± 2.8

<  0.001

0.531

0.002

Fat (kg)

14.4 ± 5.3

− 3.00 ± 3.7

−3.13 ± 4.6

<  0.001

0.527

<  0.001

 Both arms

2.26 ± 1.0

− 0.53 ± 0.6

− 0.64 ± 0.8

<  0.001

0.125

<  0.001

 Trunk

7.28 ± 3.1

− 1.82 ± 2.4

−1.78 ± 2.9

<  0.001

0.878

0.002

 Both legs

3.95 ± 1.5

− 0.62 ± 0.89

−0.95 ± 1.36

<  0.001

0.960

0.021

Hb (g/dL)

13.2 ± 2.0

−0.024 ± 1.9

−0.20 ± 2.0

0.761

0.461

0.646

Protein (g/dL)

6.8 ± 0.7

−0.29 ± 0.8

−0.21 ± 0.8

0.055

0.186

0.241

TC (mg/dL)

185.6 ± 35.4

− 16.6 ± 23.1

−10.5 ± 23.7

0.011

0.350

0.137

TG (mg/dL)

125.4 ± 85.4

− 14.5 ± 39.8

− 17.4 ± 34.2

0.367

0.274

0.514

HDL-C (mg/dL)

42.4 ± 10.4

4.2 ± 9.4

9.3 ± 9.9

0.007

0.245

0.003

LDL-C (mg/dL)

110.1 ± 33.5

−14.0 ± 36

−6.2 ± 30

0.015

0.074

0.361

  1. Date are presented as mean ± SD, BMI body mass index, BMC bone mineral composition, LBM lean body mass, TC total cholesterol, TG total glyceride, HDL-C high-density lipoprotein Cholesterol, LDL-C low-density lipoprotein
  2. *Paired t-test between baseline and 6 months; *Paired t-test between 6 months and 12 months; §Paired t test between baseline and 12 months