Detection of ALK Gene Rearrangement in Cell-free RNA from Lung Cancer Malignant Pleural Effusion

Table 1

Clinicopathological features of patients with MPE (n = 168).

Clinicopathological features	ALK positive rearrangement	ALK negative rearrangement	value
Age (years)
<60	10	71
≥60	2	85
Sex
Male	4	83
Female	8	73
Smoking
Never	9	79
Ever	3	77

ALK, anaplastic lymphoma kinase; chi-square test.