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. 2012 Dec 17;33(1):45–51. doi: 10.3343/alm.2013.33.1.45

Table 1.

Characteristics of study subjects

graphic file with name alm-33-45-i001.jpg

*Mean ages of the groups increased significantly (P<0.05) according to the decreasing values in parentheses, and equal numbers in parentheses indicate that there was no significant difference between the respective groups; †Sex ratios were not significantly (P>0.05) different among the 4 groups; ‡Pleural and serum ST2 were analyzed in 135 cases. Of the 220 patients, 85 cases (heart failure 22, malignancy 21, pneumonia 22, tuberculosis 20) were unable to be tested for pleural and serum ST2 because of insufficient sample volume.

Abbreviations: MPE, malignant pleural effusion; PPE, parapneumonic pleural effusion; TPE, tuberculous pleural effusion; CPE, cardiogenic pleural effusion.