CRP and pulmonary embolism: Univariate analyses demonstrated that immobility ≥ 3 days, presence of a central venous catheter, low hemoglobin (<10 g/dL), elevated platelet count (>350 × 109/L), elevated CRP (>10 mg/L), and an increased D-dimer/albumin ratio (>206.5) were significantly associated with pulmonary embolism (all p < 0.05).