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Table 7 Reductions of the interquartile range (IQR) and median per-patient range of hour-to-hour percentage insulin sensitivity change over time

From: Variability of insulin sensitivity during the first 4 days of critical illness: implications for tight glycemic control

Variability analysis

Cohort analysis

Per-patient analysis

% Reduction of IQR

p value

% Decrease at median

p value

Block 1–2 (0–6 vs. 6–12 hr)

40

0.0017

36

<0.0001

Block 2–3 (6–12 vs. 12–18 hr)

24

0.0628

28

0.0673

Block 3–4 (12–18 vs. 18–24 hr)

0

0.0931

9

0.1032

Block 4–5 (18–24 vs. 24–48 hr)

18

0.1682

14

0.1075

  1. P values calculated using Kolmogorov-Smirnov test for cohort comparisons and Wilcoxon rank-sum test for per-patient comparisons.