Table 1.
Baseline characteristics of study sample
| Pre-hospital Delay < 6 Hours N=1435 |
Pre-hospital Delay > 6 Hours N=1053 |
Total Study Population N=2500 |
|
|---|---|---|---|
| Demographics | |||
| Age | 81.5+4.93 | 81.7+5.10 | 81.6+5.01 |
| Female sex | 44.0 | 46.0 | 44.7 |
| Non-white race* | 8.8 | 13.5 | 10.7 |
| Low income | 9.5 | 9.3 | 9.4 |
| ≤ 12 years education | 56.1 | 59.6 | 57.6 |
| Clinical Presentation | |||
| Atypical symptoms* | 18.9 | 25.0 | 21.4 |
| Prior AMI | 28.3 | 26.9 | 27.8 |
| Comorbid Conditions | |||
| Diabetes mellitus | 35.8 | 37.4 | 36.6 |
| Heart failure (HF)* | 16.9 | 21.6 | 18.9 |
| Function | |||
| Pre-Hospital Disability | 13.5 | 13.5 | 13.5 |
| Social Support | |||
| Living alone | 37.0 | 40.1 | 38.2 |
| Low instrumental social support | 20.0 | 19.8 | 19.9 |
Values expressed are percentages for categorical values and mean with standard deviation for continuous variables.
*
Indicates p<0.05 for difference between groups.