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. 2022 Oct 4;27:84. doi: 10.1186/s11658-022-00385-x

Table 2.

Main characteristics of the studies included in the review of respiratory system tumors

Study Tumor type Sample size (normal: tumor) Detection method P value TNM (P value) LNM (P value) DM (P value) OS (P value) DFS (P value) References
Cui Nasopharyngeal carcinoma 15:15 qRT-PCR < 0.001 / / / 0.0385 0.0261 [54]
Cui Lung cancer 108:108 qRT-PCR < 0.05 0.003 < 0.001 0.571 0.014 0.036 [6]
Wan Lung cancer 105:105 qRT-PCR < 0.05 0.001 0.011 / / / [42]
Chen Lung cancer 80:80 qRT-PCR < 0.0001 / / / / / [59]
Qi Lung cancer 30:30 qRT-PCR < 0.05 / / / / / [63]
Wu Lung cancer 31:31 qRT-PCR < 0.05 0.017 0.018 / / / [69]
Chen Lung cancer 40:40 qRT-PCR < 0.05 0.01 0.0146 / / / [72]