Table 1.
Main characteristics of chest pain patients (n = 19,752)
| History of visit n (%) | ||
|---|---|---|
| Sex | Male | 11,028 (60) |
| Female | 7,515 (40) | |
| Age | 18-30 | 5,181 (27.9) |
| 31-45 | 6,752 (36.3) | |
| 46-60 | 4,949 (26.6) | |
| 61-75 | 1,336 (7.2) | |
| 75-90 | 360 (1.9) | |
| Mode of arrival at EDs | Ambulance | 585 (2.9) |
| Non-ambulance | 18,150 (91.9) | |
| Hospital | Public | 19,164 (97.0) |
| Private | 588 (3.0) | |
| Treated for chest pain in last 72 hours | Male | 1,888 (54.4) |
| Female | 1,546 (44.5) | |
| Episode of care | First visit | 16,532 (83.7) |
| Follow-up visit | 643 (3.2) | |
| Don't know | 85 (0.4) | |
| Number of ED visits within last 12 months | 0 | 6,072 (30.7) |
| 1 | 3,750 (18.9) | |
| 2 | 1,198 (6) | |
| 3 | 540 (2.7) | |
| 4-10 | 518 (2.6) | |
| Don't know | 173 (0.9) | |
Missing: 5.13% for the mode of arrival variable; 3.55% for treatment in last 72 hours variable; 18.04% for discharged in last 7 days variable; 12.62% for episode of care variable; 37.89% for number of ED visits last year variable; 26.96% for triage variable