Table 1. Incidence of Ambulance Attendances for Shock According to Sex, Age, Region, and Socioeconomic Status.
| Characteristic | Incidence (95% CI), per 100 000 person-yearsa |
|---|---|
| Overall | 76 (75-77) |
| Sex | |
| Male | 79 (77-81) |
| Female | 73 (71-75) |
| Age, y | |
| 18-29 | 21 (20-22) |
| 30-39 | 25 (24-27) |
| 40-49 | 43 (41-45) |
| 50-59 | 62 (59-64) |
| 60-69 | 104 (100-108) |
| 70-79 | 177 (171-183) |
| ≥80 | 414 (402-426) |
| Region | |
| City | 68 (67-70) |
| Inner regional | 90 (87-93) |
| Outer regional or remote | 100 (94-107) |
| Socioeconomic status quintile | |
| 1, lowest | 92 (89-95) |
| 2 | 72 (70-75) |
| 3 | 64 (62-66) |
| 4 | 58 (56-69) |
| 5, highest | 46 (44-48) |
a
The 95% CIs were derived with the assumption that the observed number of episodes followed a Poisson distribution.