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. Author manuscript; available in PMC: 2013 Jan 1.

Published in final edited form as: Med Care. 2012 Jan;50(1):58–65. doi: 10.1097/MLR.0b013e3182290349

Adjusted Odds of Any Costs and Adjusted Ratio of Mean Total Costs in Post-surgical Periods compared to Pre-surgical Period

† Probability of having any positive costs ( )

‡ Cost ratio conditional on having any positive costs ( )

Notes: Each post year refers to time after surgery. For example, “Post 1” is equivalent to the first year after surgery. The squares represent the point estimate for each year along with the corresponding confidence interval. The model controlled for morbidity level, Diabetes Complications Severity Index (DCSI), sex, health plan site, linear age, and obesity propensity. Y-axes are presented on logarithmic scales.

Inline graphic — Adjusted Odds of Any Costs and Adjusted Ratio of Mean Total Costs in Post-surgical Periods compared to Pre-surgical Period

† Probability of having any positive costs ( )

‡ Cost ratio conditional on having any positive costs ( )

Notes: Each post year refers to time after surgery. For example, “Post 1” is equivalent to the first year after surgery. The squares represent the point estimate for each year along with the corresponding confidence interval. The model controlled for morbidity level, Diabetes Complications Severity Index (DCSI), sex, health plan site, linear age, and obesity propensity. Y-axes are presented on logarithmic scales.