Methylenetetrahydrofolate reductase polymorphism (MTHFR C677T) and headache in children: a retrospective study from a tertiary level outpatient service

Table 1 Summary of cases collected in the study

	T/T	C/T	C/C	TOTAL	Mean Homocysteine μMol/L	onset T/T	onset C/C
MA	34 (47.9%)	22	15	71	7.85	11.73 yr	11.87 yr
MOA	43 (28.8%)	71	35	149	5.82	8.55 yr	8.86 yr
MA + MOA	77(35%)	93	50	220	6.48	9.95 yr	9.76 yr
TTH	12 (13.5%)	45	47	104	7.23	11.5 yr	9.85 yr
HF	20 (19.4%)	49	34	103
TOTAL	109 (25.7%)	187	131	427	6.66	10.16 yr	9.80 yr

ISSN: 1824-7288