Table 3 Characteristics* of participating and non-participating patients according to study site
Characteristics | BIDMC Patients | GHS Patients | HMC Patients | ||
|---|---|---|---|---|---|
| Â | Participating | Non-participating | Participating | Non-participating | Participating |
Age (mean ± S.D.) | 49.4 ± 13.7 | 51.3 ± 14.3 | 49.9 ± 15.6 | 49.4 ± 15.3 | 48.9 ± 11.0 |
Sex (% female) | 57.4% | 59.6% | 58.0% | 61.8% | 23.7% |