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Table 4 Fasting glucose, fasting insulin, HOMA IR and matsuda index

From: Effect of two dietary fibers on satiety and glycemic parameters: a randomized, double-blind, placebo-controlled, exploratory study

Parameter

High dose OFS + P (N = 30)

Low dose OFS + P (N = 29)

Control (N = 29)

Fasting glucose (mg/dl)

Baseline mean (SD)

93.8 (10.41)

94.2 (8.55)

90.3 (10.00)

Week 3 mean (SD)

90.9 (7.95)

94.0 (7.71)

91.5 (9.58)

Week 3 LS mean change adjusted for baseline

−2.34

0.57

−0.06

LS Mean difference from control (95% CI)

−2.28 (−6.03, 1.46)

0.63 (−3.15, 4.42)

 

Fasting insulin (pmol/L)

Baseline geometric mean (SD log-scale)

37.5 (0.59)

40.6 (0.56)

40.4 (0.49)

Week 3 geometric mean (SD log-scale)

34.0 (0.52)

37.8 (0.54)

42.8 (0.61)

Week 3 geometric LS mean adjusted for baseline (SE log-scale)

35.4 (0.07)

37.0 (0.07)

42.0 (0.07)

Geometric LS mean ratio relative to control (95% CI)

0.84 (0.70, 1.01)

0.88 (0.73, 0.1.06)

 

Matsuda index

   

Baseline geometric mean (SD log-scale)

11.5 (0.56)

9.9 (0.55)

10.4 (0.52)

Week 3 geometric mean (SD log-scale)

11.7 (0.49)

10.2 (0.53)

8.8 (0.60)

Week 3 geometric LS mean adjusted for baseline (SE log-scale)

10.9 (0.06)

10.8 (0.06)

9.0 (0.06)

Geometric LS mean ratio relative to control (95% CI)

1.22 (1.04, 1.43)

1.21 (1.03, 1.42)

 
 

(N = 25)

(N = 25)

(N = 26)

HOMA-IR

Baseline geometric mean (SD log-scale)

0.79 (0.506)

0.87 (0.422)

0.79 (0.447)

Week 3 geometric mean (SD log-scale)

0.71 (0.404)

0.78 (0.452)

0.91 (0.507)

Week 3 geometric LS mean adjusted for baseline (SE log-scale)

0.75 (0.067)

0.78 (0.067)

0.92 (0.066)

Geometric LS mean ratio relative to control (95% CI)

0.82 (0.68, 0.98)

0.85 (0.70, 1.02)

 
  1. For fasting insulin, HOMA-IR and Matsuda Index log-transformation was required to improve distributional properties. The dependent variable in the ANCOVA was the log of the week 3 result. The LS means were adjusted for log of baseline, using an analysis of covariance model.