Table 5.
Prevalence of at least 1 of 17 Charlson comorbidities in one year before and after ICD-10 implementation, by hospital characteristics
| Hospital Characteristic | ICD-9 | ICD-10 | Difference |
|---|---|---|---|
|
Teaching Status |
|
|
|
| Teaching |
36.6 |
32.1 |
4.5 |
| Non-Teaching |
34.9 |
29.2 |
5.7 |
| Location |
|
|
|
| Urban |
35.5 |
29.9 |
4.6 |
| Rural |
34.8 |
30.1 |
3.7 |
|
Patient Volume |
|
|
|
| High (>75%) |
35.4 |
37.5 |
−2.1 |
| Medium (50-75%) |
33.9 |
27.4 |
6.5 |
| Low (25-50%) |
36.5 |
27.3 |
9.2 |
| Very Low (<25%) | 37.7 | 29.6 | 8.1 |
Notes: ICD International classification of disease