Table 1

Estimation of true positive and false positive rates under varying significance thresholds using 1X to 5X samples and 90 normal test samples.

Sample and Data
Stage
p-value < 10-2
p-value < 10-4
p-value < 10-6
Total





Count
Percent
Count
Percent
Count
Percent
Count

90 normal samples (autosomes)
SP
409049
5.05%
42182
0.52%
11154
0.14%
8095770

KS
40247
0.497%
3302
0.041%
770
0.009%
8095770

TR
5417
0.067%
506
0.006%
167
0.002%
8095770
1X
SP
1441
73.71%
694
35.50%
286
14.63%
1955

KS
1780
91.05%
714
36.52%
111
5.68%
1955

TR
p-value = 1.99 × 10-4
1955
3X
SP
1271
65.01%
879
44.96%
603
30.84%
1955

KS
1707
87.31%
1136
58.11%
547
27.98%
1955

TR
p-value = 8.13 × 10-6
1955
4X
SP
1726
88.29%
1523
77.90%
1343
68.70%
1955

KS
1929
98.67%
1861
95.19%
1697
86.80%
1955

TR
p-value = 6.15 × 10-12
1955
5X
SP
1884
96.37%
1801
92.12%
1724
88.18%
1955

KS
1950
99.74%
1933
98.87%
1907
97.54%
1955

TR
p-value = 1.50 × 10-16
1955

Notes:

1 SP: Single point analysis

2 KS: Kernel smoothing with 100 kb window after single point analysis

3 TR: Tree partitioning of the genome on the kernel smoothed result.

Huang et al. BMC Bioinformatics 2006 7:83   doi:10.1186/1471-2105-7-83