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Table 2 Comparisons of radiographic measurements, prevalence of radiographically-assessed hallux valgus and self-recognition about hallux valgus, and grades of hallux valgus severity between feet of men and women

From: The discrepancy between radiographically-assessed and self-recognized hallux valgus in a large population-based cohort

   Total
(n = 3992)
Men
(n = 1308)
Women
(n = 2684)
P-value
HVA (degrees) All 16.8 ± 7.6 14.4 ± 6.2 18.0 ± 7.9 < 0.0001
Age < 39 15.3 ± 5.0 13.6 ± 4.7 16.7 ± 4.8 0.0004
Age 40–49 16.4 ± 6.1 14.1 ± 5.3 17.9 ± 6.2 < 0.0001
Age 50–59 16.5 ± 6.6 13.7 ± 5.0 17.6 ± 6.8 < 0.0001
Age 60–69 17.0 ± 7.5 14.7 ± 5.9 18.2 ± 7.9 < 0.0001
Age 70–79 17.1 ± 8.4 14.6 ± 7.0 18.1 ± 8.7 < 0.0001
Age 80 16.6 ± 8.7 14.4 ± 7.2 17.9 ± 9.2 < 0.0001
IPA (degrees) All 15.4 ± 5.6 16.6 ± 4.8 14.9 ± 5.8 < 0.0001
Age < 39 17.3 ± 4.2 18.0 ± 3.8 16.7 ± 4.4 0.0501
Age 40–49 16.6 ± 4.5 16.4 ± 4.6 16.7 ± 4.5 0.6864
Age 50–59 16.3 ± 4.7 17.1 ± 4.5 16.0 ± 4.8 0.0016
Age 60–69 15.0 ± 5.5 16.5 ± 4.9 14.3 ± 5.7 < 0.0001
Age 70–79 14.9 ± 6.1 16.4 ± 4.9 14.2 ± 6.4 < 0.0001
Age 80 15.0 ± 6.2 16.1 ± 5.2 14.3 ± 6.7 0.0007
IMA (degrees) All 8.6 ± 2.6 8.0 ± 2.5 8.9 ± 2.7 < 0.0001
Age < 39 7.6 ± 1.7 7.4 ± 1.8 7.8 ± 1.6 0.1787
Age 40–49 8.2 ± 2.1 7.9 ± 2.0 8.4 ± 2.1 0.0175
Age 50–59 8.1 ± 2.3 7.6 ± 2.1 8.3 ± 2.3 0.0002
Age 60–69 8.6 ± 2.6 7.9 ± 2.3 8.9 ± 2.7 < 0.0001
Age 70–79 9.1 ± 2.9 8.3 ± 2.8 9.5 ± 2.9 < 0.0001
Age 80 9.1 ± 2.9 8.8 ± 2.9 9.2 ± 2.8 0.1432
Contribution of IPA to TVDH (%) 48.9 ± 17.6 54.5 ± 14.6 46.2 ± 18.3 < 0.0001
HV grade (feet [%]) Normal 2803 (70.2%) 1092 (83.5%)a 1711 (63.8%) <  0.0001
Mild 928 (23.2%) 188 (14.4%) 740 (27.6%)a  
Moderate 222 (5.6%) 22 (1.7%) 200 (7.5%)a  
Severe 39 (1.0%) 6 (0.5%) 33 (1.2%)a  
Prevalence of radiographic HV (feet [%]) 1189 (29.8%) 216 (16.5%) 973 (36.3%) <  0.0001
Prevalence of HV self-recognition (feet [%]) 657 (16.5%) 71 (5.4%) 586 (21.8%) <  0.0001
  1. Abbreviations: HVA hallux valgus angle, IPA interphalangeal angle, IMA intermetatarsal angle between 1st and 2nd metatarsals, TVDH total valgus deformity of the hallux, HV hallux valgus
  2. aSignificantly higher proportion in the comparison between men and women which was detected from the chi-square test and subsequent adjusted residual analysis