. 2016 Nov 21;37(1):51–60. doi: 10.1007/s10875-016-0347-5

Table 3.

Discrepant TREC and KREC levels in twin and triplet sets with abnormal screening results

	Gestational age (weeks)	Sex	Twin/triplet	Age at first sampling (days)	TREC copies/3.2 mm blood spot	KREC copies/3.2 mm blood spot	Comments
1a^a	38	Female	TW I	3	1	18	Deceased
1b	38	Female	TW II	3	138	161
2a	34	Male	TW I	2	51	259
2b^a	34	Male	TW II	2	13	92
3a^a	25	Female	TW I	0	5	25	Deceased
3b	25	Female	TW II	0	19	178
4a	29	Male	TR I	3	20	42
4b^a	29	Female	TR II	3	15	29
4c	29	Female	TR III	3	70	56
5a	29	Male	TW I	2	76	130
5b^a	29	Male	TW II	2	5	16
6a	27	n.a	TR I				Deceased
6b	27	n.a	TR II				Deceased
6c^a	27	Male	TR III	3	5	28
7a^a	38	Female	TW I	3	149	6
7b^a	38	Female	TW II	3	132	5
8a	32	Female	TW I	2	77	40
8b^a	32	Female	TW II	2	13	5
9a	24	Male	TW I	2	16	68
9b^a	24	Female	TW II	2	9	13
10a	23	n.a	TW I				Deceased
10b^a	23	Female	TW II	2	7	11

TW twin 1, TR triplet, n.a. not available

^aRecalled twin/triplet