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Table 2 Correlation coefficients of 1-year changes

From: Effects of Roux-en-Y gastric bypass on fasting and postprandial inflammation-related parameters in obese subjects with normal glucose tolerance and in obese subjects with type 2 diabetes

Variable 1

Variable 2

Whole group r ( N; P )

NGT group r ( N; P )

T2D group r ( N; P )

IL-6

BMI

0.16(20; 0.49)

0.01(9; 0.98)

0.28(11; 0.40)

HOMA-IR

0.19(20; 0.19)

−0.07(9; 0.88)

0.21(11; 0.52)

HbA1c

0.47(19; 0.04)

0.02(8; 0.98)

0.82(11; 0.002)

TGF-β

0.65(20; 0.002)

0.70(9; 0.04)

0.71(11; 0.01)

IL-8

BMI

0.02(20; 0.92)

−0.13(9; 0.73)

0.03(11; 0.94)

HOMA-IR

0.06(20; 0.81)

−0.20(9; 0.61)

0.37(11; 0.26)

HbA1c

−0.14(19; 0.57)

0.15(8; 0.73)

0.45(11; 0.17)

GLP-1

0.59(20; 0.007)

0.80(9; 0.01)

0.54(11; 0.09)

Adiponectin

0.35(20; 0.12)

0.67(9; 0.05)

0.27(11; 0.42)

TGF-β

BMI

0.28(24; 0.19)

0.37(11; 0.26)

0.25(13; 0.42)

HOMA-IR

0.05(24; 0.81)

−0.10(11; 0.77)

0.19(13; 0.54)

HbA1c

0.25(23; 0.26)

0.07(10; 0.84)

0.64(13; 0.02)

Adiponectin

BMI

−0.40(21; 0.07)

−0.28(9; 0.11)

−0.42(12; 0.17)

HOMA-IR

−0.28(21; 0.21)

−0.57(9; 0.11)

−0.19(12; 0.56)

HbA1c

−0.06(20; 0.79)

−0.07(8; 0.86)

−0.32(12; 0.31)

GLP-1

0.47(21; 0.03)

0.87(9; 0.003)

0.16(12; 0.62)

Leptin

−0.58(21; 0.01)

−0.68(9; 0.04)

−0.36(12; 0.26)

Leptin

BMI

0.65(21; 0.002)

0.75(9; 0.02)

0.56(12; 0.06)

HOMA-IR

0.36(21; 0.11)

0.72(9; 0.03)

0.45(12; 0.14)

HbA1c

−0.14(20; 0.55)

0.41(8; 0.31)

−0.08(12; 0.19)

Insulin

0.51(21; 0.02)

0.28(9; 0.46)

0.41(12; 0.81)

  1. Clinically relevant significant and non-significant correlation coefficients in the whole study population and in T2D subjects and NGT subjects. Data are presented as r: correlation coefficient of correlation, and the sample size and P-value in parentheses. NGT, normal glucose tolerant subjects; T2D, type 2 diabetes subjects; BMI, body mass index; HbA1c, glycated hemoglobin; HOMA-IR, homeostasis model assessment of insulin resistance. Data are analyzed by Spearman correlation test, P < 0.05.