AMI Report: Biggs Gridley Memorial 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 19 3 3.0 15.8 15.9 14.9 0.7 29.2 0.648
1992 14.5 17 3 3.7 17.6 21.5 11.9 0.0 24.1 0.478
1993 13.9 18 4 2.9 22.2 16.2 19.1 5.9 32.3 0.321
1994 13.0 17 5 3.7 29.4 21.5 17.7 6.6 28.8 0.288
1995 12.8 15 3 2.7 20.0 18.3 14.0 1.3 26.7 0.548
1996 12.2 13 1 2.5 7.7 19.2 4.9 0.0 17.5 0.233
1997 12.0 14 2 2.8 14.3 20.3 8.4 0.0 20.5 0.429

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

 

AMI Report: Biggs Gridley Memorial 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 19 3 1.8 15.8 9.7 24.5 5.2 43.8 0.272
1992 14.5 17 3 2.6 17.6 15.0 17.0 1.7 32.3 0.490
1993 13.9 18 4 2.1 22.2 11.6 26.7 10.2 43.1 0.132
1994 12.9 17 5 3.3 29.4 19.4 19.6 8.3 30.8 0.201
1995 12.8 15 3 2.1 20.0 13.8 18.5 3.6 33.5 0.342
1996 12.2 13 1 1.9 7.7 14.8 6.3 0.0 21.2 0.389
1997 12.0 14 2 2.3 14.3 16.7 10.3 0.0 23.6 0.575

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