CRP and ischemia: Fifty-nine percent were older than 65 years; 47% were treated with supplemental oxygen ≥ 4 Liters/minute; radiographic pneumonia was present in 64%; ischemia in 47%; CRP was elevated > 10 mg/L in 49%; hospital length of stay was 9.0 ± 9.8 days; 45 patients died, giving an in-hospital mortality of 30%.