AMI Report: Colusa Community Hospital - Model A

year Statewide
Death Rate
(%)		 Number of
Cases Included		 Number of
Observed
Deaths		 Number of
Expected Deaths		 Observed Death
Rate (%)		 Expected Death
Rate (%)		 Risk-Adjusted
Death Rate
(%)		 Risk Adjusted
Death Rate
95% Confidence
Lower Bound		 Risk Adjusted
Death Rate
95% Confidence
Upper Bound		 Probability
This Rate
Occurred by
Chance
1991 15.1 18 2 2.6 11.1 14.4 11.7 0.0 27.7 0.503
1992 14.5 16 2 1.8 12.5 11.3 16.0 0.0 34.6 0.570
1993 13.9 21 6 3.4 28.6 16.3 24.5 11.6 37.4 0.102
1994 13.0 25 4 4.7 16.0 18.9 11.0 1.1 20.9 0.469
1995 12.8 22 6 5.4 27.3 24.5 14.2 5.3 23.1 0.464
1997 12.0 9 1 1.0 11.1 10.7 12.5 0.0 34.7 0.647
1998 12.1 23 1 2.7 4.3 11.8 4.5 0.0 17.4 0.216

Model A is a conservative model with risk factors of chronic and personal characters

 

AMI Report: Colusa Community Hospital - Model B

year Statewide
Death Rate
(%)		 Number of
Cases Included		 Number of
Observed
Deaths		 Number of
Expected Deaths		 Observed Death
Rate (%)		 Expected Death
Rate (%)		 Risk-Adjusted
Death Rate
(%)		 Risk Adjusted
Death Rate
95% Confidence
Lower Bound		 Risk Adjusted
Death Rate
95% Confidence
Upper Bound		 Probability
This Rate
Occurred by
Chance
1991 15.1 18 2 2.3 11.1 12.7 13.2 0.0 30.1 0.592
1992 14.5 16 2 2.2 12.5 13.9 13.0 0.0 27.0 0.630
1993 13.9 21 6 5.2 28.6 24.9 16.0 7.5 24.5 0.420
1994 12.9 25 4 6.0 16.0 24.1 8.6 1.1 16.1 0.199
1995 12.8 22 6 5.7 27.3 26.1 13.4 5.5 21.3 0.544
1997 12.0 9 1 0.6 11.1 7.1 18.8 0.0 46.6 0.493
1998 12.1 23 1 1.8 4.3 8.0 6.5 0.0 22.8 0.431

Model B is a comprehensive model with more acute risk factors added in