Table 2. Identified small-scale copy number variations using PennCNV in HapMap individuals (n = 79).

Parameters	Count
CNV
- Total number	4,989
- Avg. number of CNVs per sample	63.2
- Avg. size of CNVs (kb)	70.6
- Median size of CNVs (kb)	39.9
- Number of gain	1,960
- Number of loss	3,029
- Ratio (Loss/Gain)	1.5
CNV region
- Total number	1,324
- Avg. number of CNVs per sample	16.8
- Avg. size of CNVs (kb)	80.3
- Median size of CNVs (kb)	36.0
- Number of common CNVs (freq.>1%)	123
- Number of common CNVs (freq.>2.5%)	40
- Number of common CNVs (freq.>5%)	16
- Genes	2,493