Table 3. Enrichment analysis of 350 genes that recurrently showed two types of aberrations using DAVID.

Cluster number	Enrichment score	Term	Counts	Population hits	FDR
1	4.14	Extracellular matrix	28	269	1.5E-04
		Secreted	66	1247	0.005
		Signal	105	2333	0.005
		Signal peptide	105	2333	0.006
		Extracellular region part	48	811	0.047
2	4.08	Skeletal system development	34	281	1.2E-07
		Embryonic morphogenesis	27	255	2.6E-04
		Embryonic skeletal system development	14	69	3.7E-04
		Short sequence motif:Antp-type hexapeptide	8	22	0.004
		Homeobox protein, antennapedia type, conserved site	8	23	0.005
3	3.45	Extracellular matrix	28	269	1.5E-04
		Trimer	9	23	2.6E-04
		Extracellular matrix	21	192	0.001
		Proteinaceous extracellular matrix	25	247	0.001
		Collagen	9	31	0.005

The first five terms in the first three clusters are shown, with enrichment score. The counts and population hits are the number of genes in the gene list and background gene list, respectively, mapping to a specific term. FDR, false discovery rate.