Utilization Risk
Time Period
Arithmetic means (SD)
Geometric means and significant differences
Geometric means and significant differences
Lower and upper confidence intervals for geometric means
Lower and upper confidence intervals for geometric means
Percent zero expenditures
95%LCL 95%UCL
High Baseline year 17,371 (22,522) 987.11 a 219.46 4439.89 21.9
1st year in CHECK 7,196 (12,816) 138.80 28.6 674.38 40.6
2nd year in CHECK 4,971 (11,643) 15.45 a 3.33 71.65 68.8
Medium Baseline year 3,685 (7,889) 38.10 a 20.49 70.81 53.2
1st year in CHECK 3,529 (8,977) 18.85 b 10.28 34.55 63.0
2nd year in CHECK 1,877 (6,189) 5.85 a,b 3.5 9.78 77.5
Low
Baseline year
101 (949)
1.36
a,b
1.09
1.69
94.9
1st year in CHECK 2,406 (8,373) 7.24 a 4.12 12.7 74.4
2nd year in CHECK 3,135 (8,687) 7.43 b 4.12 13.41 76.3