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Table 4 Effects of treatment and/or time on insulin resistance (HOMA-IR) and insulin sensitivity (Matsuda index)

From: An 8-week freeze-dried blueberry supplement impacts immune-related pathways: a randomized, double-blind placebo-controlled trial

  Week 0 Week 8 P value
BBP Placebo BBP Placebo Treatment Time Treatment × Time
HOMA-IR1 2.38 ± 1.19 2.25 ± 0.93 2.64 ± 1.44 2.56 ± 1.15 0.80 0.02 0.53
Matsuda index2 4.86 ± 3.17 5.13 ± 2.80 4.28 ± 2.21 3.91 ± 2.19 0.71 0.006 0.08
  1. Values are mean ± SD. Analyses were conducted using the MIXED procedure with SAS version 9.4. HOMA-IR and Matsuda index were non-normally distributed and were therefore log10 transformed. Abbreviations: BBP blueberry powder. Significant P values (unadjusted) are in bold. 1. BBP: n = 24 (week 0), n = 23 (week 8); placebo: n = 23 (week 0), n = 24 (week 8). 2. BBP: n = 18 (week 0), n = 17 (week 8); placebo: n = 17 (weeks 0 and 8)