. Author manuscript; available in PMC: 2007 Jun 4.

Published in final edited form as: Am J Speech Lang Pathol. 2007 May;16(2):169–178. doi: 10.1044/1058-0360(2007/021)

Table 10.

Cross - concordance of recovered and persistent twin pairs.

			Recovery or Persistence- Twin 2
Zygosity			Missing	Unaffected	Recovered	Persistent	Total
MZ	Recovery	Missing	301	40	10	1	352
	or	Unaffected	34	1959	98	11	2102
	Persistence	Recovered	8	105	68	4	185
	- Twin 1	Persistent	0	14	5	3	22
		Total	343	2118	181	19	2661

DZ	Recovery	Missing	546	74	7	0	627
	or	Unaffected	59	3466	223	41	3789
	Persistence	Recovered	7	221	56	6	290
	- Twin 1	Persistent	2	37	8	0	47
		Total	614	3798	294	47	4753