Table 2.
Characteristics of included patients and their corresponding ICD codes.
| All patients (n = 32846) | Random sample (n = 1200) | ||
|---|---|---|---|
| Characteristics of patients | |||
| Age | |||
| Range | 4-106 | 28-95 | |
| Median | 70 | 69 | |
| Sex | |||
| Female | 18206 (55%) | 630 (52%) | |
| Male | 14639 (45%) | 570 (48%) | |
| ICD-codes | In SPCD | After validation | |
| Hypertension | 18928 (58%) | 696 (58%) | 838 (70%) |
| Ischemic heart disease | 6082 (19%) | 245 (20%) | 320 (27%) |
| Congestive heart failure | 2687 (8%) | 100 (8%) | 152 (13%) |
| Diabetes | 5373 (16%) | 200 (17%) | 225 (19%) |
| None of these diagnoses | 8197 (25%) | 283 (24%) | 134 (11%) |
Extracted from SPCD during 1st May 2002 - 31st October 2003 (n = 32846)