Impact of Population Stratification on Family-Based Association in an Admixed Population

Table 1

Number of correctly classified family members per family using different numbers of PCs. These are boldfaced when stably reaching the total family size.

Family ID	Number of family members	Number of PCs
		1	20	40	60	80	100	120	140	160	180	200
2	86	10	47	67	72	75	78	81	84	86	86	86
3	77	77	73	76	75	76	76	77	77	77	77	77
4	64	0	42	49	54	57	58	61	62	62	62	63
5	68	0	54	65	65	66	66	68	68	68	68	68
6	64	28	33	48	50	54	56	57	58	61	62	62
7	36	0	14	19	25	26	30	33	33	33	33	33
8	68	0	37	56	60	65	66	67	67	68	68	68
9	33	0	10	21	27	31	30	29	31	31	31	31
10	64	0	38	50	55	59	61	61	63	63	63	64
11	35	0	22	25	29	30	31	33	33	34	35	34
14	40	0	25	32	33	38	39	40	39	39	40	40
15	41	0	28	33	37	38	38	39	40	40	41	41
16	48	0	31	40	41	43	42	45	45	47	46	47
17	42	5	31	33	38	37	38	39	40	42	41	42
20	36	0	15	24	32	31	32	32	32	36	35	35
21	35	0	20	21	29	32	33	33	33	33	34	35
23	32	0	15	25	27	26	29	28	31	31	30	31
25	33	0	21	25	26	27	30	30	30	30	30	31
27	35	0	18	26	27	29	33	34	34	33	34	35
47	22	0	19	17	19	19	19	19	21	21	21	21