Pearson's correlations of particulate matter (PM) concentrations, considered as a whole (PM10) or subdivided in the finest (PM2.5) and the coarse component (PM10-2.5), with activated partial thromboplastin time (aPTT) and prothrombin time (PT).*

*: This analysis was performed in a subgroup of patients admitted to Emergency Department for mild respiratory symptoms, without active thrombosis and not taking anticoagulant therapy, for whom data about coagulation times were available (n = 102).*：本分析针对因轻度呼吸道症状就诊于急诊科的患者亚组开展，该亚组患者无活动性血栓形成且未接受抗凝治疗，且具备凝血时间相关检测数据（n = 102）。