From: Relationship between the presence of abnormal hallux interphalangeal angle and risk of ingrown hallux nail: a case control study
Study group
Control group
Age intervals
10-20 years
15.64 ± 4.57
13.95 ± 3.58
21-30 years
18.67 ± 6.72
14.71 ± 5.19
31-40 years
18.17 ± 4.21
10.92 ± 4.06
41-50 years
14.69 ± 6.82
11.74 ± 4.16