Table 1.

Protein–protein interaction network statistics of differentially expressed genes in DEAD-box helicase (DDX) family between osteosarcoma tissue and adjacent normal tissue.

Rank	Gene symbol	Degree	Betweenness centrality	Closeness centrality
1	DDX56	206	2.24E−04	0.371734
2	DDX54	193	3.29E−04	0.385697
3	DDX55	167	3.69E−04	0.363594
4	DDX5	141	2.07E−04	0.412069
5	DDX31	141	1.11E−03	0.362973
6	DDX6	140	4.36E−04	0.392576
7	DDX27	131	1.11E−04	0.373173
8	DDX11	124	1.70E−04	0.3568
9	DDX10	115	1.56E−04	0.369817
10	DDX3X	87	9.14E−05	0.402981
11	DDX1	80	5.91E−05	0.398811
12	DDX17	79	7.82E−05	0.398782
13	DDX20	69	3.69E−05	0.369504
14	DDX12P	66	4.81E−06	0.338923
15	DDX49	64	2.62E−05	0.35585