Table 2.

Analysis of associations between CFS risk and mtDNA major haplogroups

Haplogroup	Case	Control	p value	q value*	Odds ratio	95 % CI
A	2	4	0.69	0.98	0.50	0.05 < OR < 3.56
B	2	2	1.00	1	1.02	0.07 < OR < 14.14
C	0	3	0.25	0.98	–	–
D	0	1	1.00	1	–	–
F	0	1	1.00	1	–	–
G	0	1	1.00	1	–	–
H	81	70	0.21	0.98	1.30	0.85 < OR < 2.00
I	4	7	0.54	0.98	0.57	0.12 < OR < 2.29
J	12	10	0.67	0.98	1.23	0.47 < OR < 3.27
K	20	15	0.38	0.98	1.39	0.65 < OR < 3.03
L	6	11	0.32	0.98	0.54	0.16 < OR < 1.63
M	2	1	0.62	0.98	2.04	0.11 < OR < 120.99
N	2	1	0.62	0.98	2.04	0.11 < OR < 120.99
R	1	0	0.50	0.98	–	–
T	14	28	0.03	0.6	0.47	0.22 < OR < 0.96
U	28	31	0.78	1	0.90	0.50 < OR < 1.63
V	6	3	0.33	0.98	2.06	0.43 < OR < 12.92
W	2	2	1.00	1	1.02	0.07 < OR < 14.14
X	4	2	0.45	0.98	2.05	0.29 < OR < 22.90
HV	7	3	0.22	0.98	2.42	0.54 < OR < 14.69

*q values were calculated using the Benjamini–Hochberg method for correcting for multiple testing of haplogroups