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Table 4 Agreement between variant calling approaches on all called SNPs

From: Challenges in exome analysis by LifeScope and its alternative computational pipelines

Exome

Proband

Mother

Father

Total number of SNP variants union of all approaches

86,840

55,738

68,915

Number of SNP variants identified by all approaches common

21,687

13,995

11,483

Fraction of common variants in total identified by LifeScope (%)

56

40

32

LifeScope-GATK (%)

32

44

25

MAQ-GATK (%)

44

50

31

SHRiMP-GATK (%)

32

36

27

BFAST-GATK (%)

50

52

41

Number of SNP variants and fraction of total specific to LifeScope

2936 (7.6 %)

4543 (12.9 %)

4246 (11.7 %)

LifeScope-GATK

5251 (8.7 %)

4468 (10.2 %)

4555 (9.7 %)

MAQ-GATK

1943 (3.9 %)

1074 (3.8 %)

1369 (3.7 %)

SHRiMP-GATK

14,276 (21.1 %)

2210 (5.7 %)

1644 (3.9 %)

BFAST-GATK

1097 (2.5 %)

574 (2.1 %)

9851 (35.2 %)

  1. By common are denoted variants that have been identified by all approaches. By specific are identified variants that were identified exclusively by one approach. The percentages are computed as fraction of the total number of all variants shown in Table 3 identified by that method