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Table 1 Properties of I and B based on simulations of uncorrelated multivariate normal distributed variables using the 1:1 allocation ratio for 60 sites

From: Using the half normal distribution to quantify covariate balance in cluster-randomized pragmatic trials

# of site-level variables Mean I Mean B
SD 10th percentile 25th percentile SD 10th percentile 25th percentile
2 0.815 0.435 0.291 0.486 2.100 2.109 0.210 0.598
3 0.809 0.357 0.372 0.545 3.114 2.580 0.573 1.216
4 0.807 0.307 0.434 0.584 4.125 2.961 1.082 1.955
  1. SD standard deviation