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Leading Causes of Hospitalization

The following tables provide the number and percent of discharges for the leading causes of hospitalization among North Carolina Medicare beneficiaries age 65 and older. The cause of hospitalization is based on the principal diagnosis.

2001
Reason for Hospitalization*
# discharges
% of all discharges
Cerebrovascular Disease
18815
5.9
Congestive Heart Failure
18478
5.8
Pneumonia & Influenza
17693
5.6
Coronary Atherosclerosis
15436
4.9
Cardiac Dysrhythmias
13067
4.1
Chronic Obstructive Pulmonary Disease
12680
4.0
Acute Myocardial Infarction
11582
3.6

2000
Reason for Hospitalization*
# discharges
% of all discharges
Cerebrovascular Disease
19734
6.1
Pneumonia & Influenza
19030
5.9
Congestive Heart Failure
18994
5.9
Coronary Atherosclerosis
15484
4.8
Chronic Obstructive Pulmonary Disease
13013
4.0
Cardiac Dysrhythmias
12615
3.9
Acute Myocardial Infarction
11935
3.7

1999
Reason for Hospitalization*
# discharges
% of all discharges
Pneumonia & Influenza
19551
6.2
Cerebrovascular Disease
19419
6.2
Congestive Heart Failure
18225
5.8
Coronary Atherosclerosis
15496
4.9
Chronic Obstructive Pulmonary Disease
13644
4.4
Cardiac Dysrhythmias
11874
3.8
Acute Myocardial Infarction
11727
3.7

1998
Reason for Hospitalization*
# discharges
% of all discharges
Cerebrovascular Disease
19754
6.4
Pneumonia & Influenza
18759
6.1
Congestive Heart Failure
18419
5.9
Coronary Atherosclerosis
15372
5.0
Chronic Obstructive Pulmonary Disease
12511
4
Acute Myocardial Infarction
11920
3.8
Cardiac Dysrhythmias
11559
3.7

1997
Reason for Hospitalization*
# discharges
% of all discharges
Cerebrovascular Disease
19692
6.7
Congestive Heart Failure
17836
6.1
Pneumonia & Influenza
17234
5.9
Coronary Atherosclerosis
14701
5.0
Chronic Obstructive Pulmonary Disease
11539
3.9
Acute Myocardial Infarction
11165
3.8
Cardiac Dysrhythmias
10618
3.6

1996
Reason for Hospitalization*
# discharges
% of all discharges
Cerebrovascular Disease
19103
6.7
Congestive Heart Failure
17056
6.0
Pneumonia & Influenza
16861
5.9
Coronary Atherosclerosis
13874
4.9
Acute Myocardial Infarction
11399
4.0
Chronic Obstructive Pulmonary Disease
10965
3.9
Cardiac Dysrhythmias
9874
3.5

1995
Reason for Hospitalization*
# discharges
% of all discharges
Cerebrovascular Disease
18967
6.9
Pneumonia & Influenza
16907
6.2
Congestive Heart Failure
16257
5.9
Coronary Atherosclerosis
11980
4.4
Acute Myocardial Infarction
11093
4.1
Chronic Obstructive Pulmonary Disease
10466
3.8
Cardiac Dysrhythmias
9564
3.5

1994
Reason for Hospitalization*
# discharges
% of all discharges
Cerebrovascular Disease
16992
6.7
Congestive Heart Failure
15469
6.1
Pneumonia & Influenza
15088
5.9
Acute Myocardial Infarction
10484
4.1
Chronic Obstructive Pulmonary Disease
9171
3.6
Cardiac Dysrhythmias
9061
3.5
Coronary Atherosclerosis
7441
2.9

* Reason for hospitalization is based on the principal diagnosis. The following table provides the reason for hospitalization and the ICD-9-CM codes associated with the condition.

Reason for Hospitalization
ICD-9-CM Codes
Acute Myocardial Infarction (AMI)
410.x
Cardiac Dysrhythmias
427.x
Cerebrovascular Disease (Stroke)
430.x - 438.x
Chronic Obstructive Pulmonary Disease (COPD)
490.x - 496.x
Congestive Heart Failure (CHF)
428.0
Coronary Atherosclerosis
414.0
Pneumonia & Influenza
480.x - 487.x