Table 2 : Paired analysis of metabolic measure differences between urban and rural siblings.

 Measure Wilcoxon signed-rank test statistics. Rural to urban comparisons Lucknow Hyderabad Fasting glucose n = 91 n = 91 (mmol/L) z = 3.838 z = 1.598 p = 0.124e-03 p = 0.110 diff = 0.30 (-0.11-1.00) diff = 0.11 (-0.22-0.50) Fasting insulin n = 90 n = 91 (mU/L) z = 4.535 z = 2.767 p = 5.765e-06 p = 0.006 diff = 2.35(-0.40-5.10) diff = 1.00(-1.30-4.30) HOMA-IR n = 71 n = 71 z = 4.332 z = 2.659 p = 0.0148e-03 p = 0.008 diff = 0.60(-0.18-1.15) diff = 0.28(-0.25-1.03) BMI n = 91 n = 91 (Kg/m2) z = 6.345 z = 4.908 p = 2.231e-10 p = 9.210e-07 diff = 4.04(0.64-7.18) diff = 1.94(-0.20-5.44) Total cholesterol n = 90 n = 91 (mmol/L) z = 1.722 z = 0.267 p = 0.085 p = 0.789 diff = 0.23(-0.78-1.27) diff = -0.05(-0.67-0.72) LDL n = 89 n = 90 (mmol/L) z = 1.471 z = -0.026 p = 0.141 p = 0.979 diff = 0.22(-0.67-1.22) diff = 0.05 (-0.75-0.60) HDL n = 90 n = 91 (mmol/L) z = -0.656 z = 1.558 p = 0.512 p = 0.119 diff = -0.01(-0.18-0.18) diff = 0.05(-0.10-0.21) Triglycerides n = 90 n = 91 (mmol/L) z = 2.438 z = 1.181 p = 0.015 p = 0.237 diff = 0.31(-0.32-0.86) diff = 0.09(-0.27-0.41)

Table shows the number of pairs of samples in each test (n), the test statistic (z) and unadjusted (p) value for each test. Difference (diff) is the median (IQR) of the differences between pairs of samples for each metabolic measure where rural dwellers are the reference group.

R. Elliott et al.Journal of Diabetes Research and Clinical Metabolism  2013 2:6