Table 2. Observed frequencies of handedness in relation to the PCSK6 rs10523972 alleles.

PCSK6 VNTR alleles (n)	CLH	ILH	ALH	ARH	IRH	CRH
long/long (685)	13 (1.93%)	23 (3.42%)	11 (1.63%)	25 (3.71%)	261 (38.78%)	340 (50.52%)
long/short (339)	7 (1.99%)	21 (5.98%)	9 (2.56%)	17 (4.84%)	160 (45.58%)	137 (39.03%)
short/short (55)	1 (1.82%)	0 (0%)	1 (1.82%)	2 (3.64%)	21 (38.18%)	30 (54.55%)

Numbers and percentages of consistent left-handers (CLH), inconsistent left-handers (ILH), ambidexter with a tendency towards left-handedness (ALH), ambidexter with a tendency towards right-handedness (ARH), inconsistent right-handers (IRH) and consistent right-handers (CRH) for the combined PCSK6 rs10523972 alleles.