Table 1. AT mutations, phenotypic and genotypic features identified in Indian DVT patients.

Patient ID No.	Subject	Exon/ Intron	Change Identified	Type of AT deficiency	APTT/ PT/TT (seconds) 1	Age of first thrombosis/ Sex	Clinical features	AT activity (%)	AT antigen (%)
FI	I:2		786G	I	12.33, 5.00, 14.00	NA/M	Asymptomatic	55	40
	II:1	Intron 1	786A	I	8.00, 6.00, 18.33	20/M	RecurrentDVT	52	40
	II:2	Intron 1	786A	I	12.33, 7.00, 15.00	19/M	RecurrentDVT	55	39
FII	I:2	Exon 2	2603C> T	II	7.50, 10.00, 19.00	NA /F	Asymptomatic	28	100
	II:1	Exon 2, 6	2603T> C, 13363insA	II	6.33, 10.00, 20.00	28/F	DVT	57	94
	II:5	Exon 2, 6	2603T> C, 13363insA	II	9.00, 11.00, 8.00	NA /F	Asymptomatic	75	100
	II:6	Exon 2, 6	2603T> C, 13363insA	II	15.66, 7.00, 18.50	NA /M	Asymptomatic	68	100
PRS	-	Exon 2	2455C>A	I	14.00, 12.00, 8.00	52/M	DVT	65	60
PSh	-	Intron 5	9893 G>C	I	9.00, 6.00, 8.00	12/M	DVT	69	50
PRn	-	Exon 4	7549 A>G	II	9.00, 13.00, 15.50	30/F	DVT	53	96
PRa	-	Exon 4	7626A>G	I	6.00, 6.00, 15.50	35/F	Recurrent DVT	75	52
PSBe	-	Exon 4, Intron 1	7626G>A 786G>A	I	7.00, 4.00, 11.33	23/F	RecurrentDVT	6	65
PSa	-	Exon 4, Intron 1	7626G>A 786G>A	II	6.30, 7.00, 12.00	24/F	Recurrent DVT	77	83
PSB	-	Exon 4	7626A>G	I	10.00, 7.00, 10.00	34/M	ACD 2 with chronic BCS 3	77	75
PNJ	-	Exon 4	7626A	I	9.50, 13.00, 8.00	26/F	Recurrent DVT	65	79

¹ Normal laboratory ranges: APTT; 25s, PT; 13s and TT; 16s

² Acute Coronary Disease

³ Budd Chiari Syndrome