CRP and pneumonia: Sixty-one percent were older than 65 years; 48% were treated with oxygen ≥ 4 Liters/minute within the first 24 hours of their hospital stay; radiographic pneumonia was present in 61%; ischemia in 37%; CRP > 10 mg/L was present in 47%; hospital length of stay was 12 ± 16 days; and in-hospital mortality was 36%.