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Table 4 Metrics in “3mask” and “3mask + 28”, at callset and individual level, before and after VQSR

From: Comparison of sequencing data processing pipelines and application to underrepresented African human populations

 

Metrics

3mask

3mask + 28

Counts for the entire callset

Before VQSR

Biallelic SNPs

20,312,127

20,434,008

Multiallelic SNPs

85,725

94,044

Total SNPs

20,397,852

20,528,052

Simple indels

2,601,657

2,564,122

Complex indels

737,834

816,453

Total indels

3,339,491

3,380,575

Singletons

7,980,292

8,123,791

Biallelic SNPs in dbSNP (%)

96.67%

96.67%

Simple indels in dbSNP (%)

94.29%

94.21%

After VQSR

Biallelic SNPs

19,591,088

19,544,864

Multiallelic SNPs

75,115

79,945

Total SNPs

19,666,203

19,624,809

Singletons (SNPs)

6,923,568

6,902,425

Filtered SNPs

731,649

903,243

Biallelic SNPs in dbSNP (%)

96.88%

96.96%

Average (and standard deviation (stdev)) per individual

Before VQSR

Biallelic SNPs (average)

4,445,566.93

4,448,252.21

Biallelic SNPs (stdev)

438,990.07

440,005.98

Biallelic SNPs (min)

3,443,131.00

3,442,837.00

Biallelic SNPs (max)

4,917,928.00

4,922,667.00

Multiallelic SNPs (average)

32,414.75

33,932.54

Multiallelic SNPs (stdev)

3961.22

4451.22

Total SNPs (average)

4,477,981.68

4,482,184.75

Simple indels (average)

508,597.68

490,154.68

Simple indels (stdev)

46,465.10

46,446.32

Complex indels (average)

347,547.21

370,585.18

Complex indels (stdev)

25,401.04

30,851.51

Total indels (average)

856,144.89

860,739.86

Singletons (average)

285,010.43

290,135.39

Singletons (stdev)

69,862.20

70,494.15

After VQSR

Biallelic SNPs (average)

4,299,853.14

4,305,202.11

Biallelic SNPs (stdev)

428,861.99

430,653.45

Biallelic SNPs (min)

3,393,934.00

3,394,319.00

Biallelic SNPs (max)

4,741,343.00

4,749,854.00

Multiallelic SNPs (average)

28,645.43

29,668.04

Multiallelic SNPs (stdev)

3019.16

3267.90

Total SNPs (average)

4,328,498.57

4,334,870.14

Singletons (SNPs, average)

247,270.29

246,515.18

Singletons (SNPs, stdev)

61,967.99

62,371.91

Filtered SNPs (average)

149,483.11

147,314.61

Filtered SNPs (stdev)

48,246.66

48,020.13

  1. Only SNPs are considered after VQSR. Metrics names in italics have been calculated by the authors (i.e. not an output of Picard’s CollectVariantCallingMetrics)