Table 2 Comorbidity
All patients | One-time users | Two-time users | Frequent users | |||||
|---|---|---|---|---|---|---|---|---|
Charlson Comorbidity Indexa | ||||||||
0 | 40 184 | (61%) | 29 987 | (68%) | 6 002 | (50%) | 4 195 | (43%) |
1 | 9 421 | (14%) | 5 173 | (12%) | 2 184 | (18%) | 2 064 | (21%) |
2 | 5 555 | (9%) | 3 033 | (7%) | 1 300 | (11%) | 1 222 | (12%) |
3+ | 5 299 | (8%) | 2 301 | (5%) | 1 414 | (12%) | 1 584 | (16%) |
Not brought to hospital | 5 473 | (8%) | 3 605 | (8%) | 1 042 | (9%) | 826 | (8%) |