From: Factor XIII polymorphism and risk of aneurysmal subarachnoid haemorrhage in a south Indian population
Haplotypes
Frequencies in controls (%)
Frequencies in patients (%)
χ2
p
Pro:Val
60.6
64.1
1.08
0.29
Leu:Val
33.9
26.1
5.86
0.01
Pro:Leu
3.9
7.3
4.47
0.03
Leu:Leu
1.6
2.4
0.71
0.40