From: Relationship between the presence of abnormal hallux interphalangeal angle and risk of ingrown hallux nail: a case control study
Mean ± SD
Typical mean error
Lower-upper limit
Males (63 subjects)
15.59 ± 6.31
.42
14.49-16.16
Female (102 subjects)
15.33 ± 5.30
.50
14.59-16.58