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Fig. 3 | BMC Infectious Diseases

Fig. 3

From: Clinical significance of D-dimer levels in refractory Mycoplasma pneumoniae pneumonia

Fig. 3

Relationship between degree of D-D elevation and prevalence of complications. The normal range of serum D-D was ≤280 ng/ml. The degree of D-D elevation was defined as follows: mild increase: < 5-fold increase (> 280 to < 1400 ng/ml), moderate increase: < 10-fold increase (≥ 1400 to < 2800 ng/ml), and severe increase: > 10-fold increase (≥ 2800 ng/ml). Pleural effusion was the most presence complication across the four classifications, The incidence of pleural effusion increased with increasing D-D levels and differed significantly among the normal, mild increase, and moderate increase groups (P < 0.01). D-D: d-dimer

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