Long-term impact of a chronic disease management program on hospital utilization and cost in an Australian population with heart disease or diabetes

Table 1 Study group sizes and balance metrics before and after matching using CEM

	Study group	Treatment	Comparison	CEM L1 metric*
Before CEM match	34,282	4,965	29,317	0.2072
After CEM match	33,468	4,948	28,520	3.57 E⁻¹⁵
Members lost due to match	814	17	797

*L1 metric is an indicator of balance/equivalence between study groups. A value of 1 indicates complete dissimilarity (no overlap) and a value of 0 indicates groups are perfectly equivalent or balanced.

ISSN: 1472-6963