From: Exploring the relationship between the density of the iris color and bipolar disorder: a case-control study, Egypt
Parameter
Euthymia
Depressive
Manic
χ2
P
n = 16(%)
n = 15(%)
n = 17(%)
Low density Iris
High density Iris
11 (68.8%) 5 (31.2%)
10 (66.7%) 5 (33.3%)
11 (64.7%) 6 (35.3%)
0.061
0.97