. 2018 Sep 5;39(12):1803–1813. doi: 10.1002/humu.23615

Table 4.

hgvs package normalization results for transcript variants and genomic variants from ClinVar release 2017‐05

	Transcript variants			Genomic variants
	Number	Percent	Example	Number	Percent	Example
Correctly written as‐is	231,127	99.622%		273,210	95.899%
3′ shiftable	710	0.306%	NM_000041.3:c.291delG ⇒ NM_000041.3:c.292del	11,617	4.078%	NC_000002.12:g.165901915dupA ⇒ NC_000002.12:g.165901920dup
Rewritable	213	0.092%	NM_000023.3:c.981_982insGC ⇒ NM_000023.3:c.981_982dup	285	0.100%	NC_000023.11:g.18672015_18672016insA ⇒ NC_000023.11:g.18672015dup
Both 3′ shiftable and rewritable	47	0.020%	NM_000183.2:c.3_4insACT ⇒ NM_000183.2:c.5_7dup	220	0.077%	NC_000016.10:g.88865_88866insGT ⇒ NC_000016.10:g.88867_88868dup
Duplicate variants after normalizing	30	0.013%	NM_000051.3:c.822delT (RCV000477779) = NM_000051.3:c.824delT (RCV000205636)	55	0.019%	NC_000008.11:g.89955482_89955483delCAinsTG (RCV000486277) = NC_000008.11:g.89955482_89955483invCA (RCV000474157)