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Table 2 Changes in HDL levels in 30 days according to initial risk factor classification

From: The effect of a low-fat, plant-based lifestyle intervention (CHIP) on serum HDL levels and the implications for metabolic syndrome status – a cohort study

HDL level Baseline (n) Post-intervention (n) McNemar chi-squared test (p) Baseline Post-intervention Mean change 95% confidence interval % mean change p value
Mean SD Mean SD
<40 1196 1676 525 (<0.001) 33.62 4.64 32.69 6.95 -0.94 -1.28, -0.59, -0.9% 0.546
40-59 2203 2030   48.39 5.53 44.64 7.83 -3.75 -4.02, -3.48, -7.9% <0.001
≥60 1255 942   86.39 29.82 76.18 28.53 -10.22 -10.88, -9.56, -11.8% <0.001