Major depressive disorder is correlated with the mitochondrial ND1 T3394C mutation in two Han Chinese families: Two case reports

Table 1 Summary of clinical molecular data for two probands carrying the ND1 T3394C mutation

Subject	Gender	Age at testing (yr)	Age at onset (yr)	First episode	History of suicide attempt	HDRS	Level of depression	mtDNA haplogroup
NB011-Ⅱ-4	F	62	50	N	N	21	Moderate	M9a3
NB054-Ⅲ-4	M	20	12	N	Y	39	Severe	M9a

HDRS: Hamilton depression rating scale.