Table 2.

Bipolar disorder TDT analysis results.

#	Marker/rsID	Population(s)
		Sardinian					Palestinian					Total (Sardinian + Palestinian)
		NT1	NNT1	TDT P-value	OR	95% C.I.	NT1	NNT1	TDT P-value	OR	95% C.I.	NT1	NNT1	TDT P-value	OR	95% C.I.
1	rs2036212	1	0	0.5002	n.a3	n.a3	6	10	0.4542	0.60	[0.22–1.65]	7	10	0.6292	0.70	[0.27–1.84]
2	rs2809823	55	46	0.370	1.20	[0.81–1.77]	34	45	0.216	0.76	[0.48–1.18]	89	91	0.882	0.98	[0.73–1.31]
3	rs2809822	–	–	n.d.4	n.d.4	n.d.4	–	–	n.d.4	n.d.4	n.d.4	–	–	n.d.4	n.d.4	n.d.4
4	rs2809819	60	48	0.248	1.25	[0.86–1.83]	33	43	0.251	0.77	[0.49–1.21]	93	91	0.883	1.02	[0.77–1.36]
5	rs2809818	15	18	0.602	0.83	[0.42–1.65]	14	20	0.303	0.70	[0.35–1.39]	29	38	0.272	0.76	[0.47–1.24]
6	iSNP00034643	42	31	0.198	1.35	[0.85–2.15]	22	23	0.882	0.96	[0.53–1.72]	64	54	0.357	1.19	[0.83–1.70]
7	rs2030048	40	61	0.037	0.66	[0.44–0.98]	36	29	0.385	1.24	[0.76–2.02]	76	90	0.277	0.84	[0.62–1.15]
8	rs2809817	24	35	0.152	0.69	[0.41–1.15]	37	17	0.006	2.18	[1.23–3.87]	61	52	0.397	1.17	[0.81–1.70]
9	rs2030049	15	16	0.857	0.94	[0.46–1.90]	15	20	0.398	0.75	[0.38–1.46]	30	36	0.460	0.83	[0.51–1.35]

Values in bold represent significant association.

¹Number of minor alleles transmitted (N_T)/non transmitted (N_NT).

²P-value obtained by exact test.

³Not applicable.

⁴Not done because no allele variation was observed in this population.