Table 1 Prevalence of PGD by sex and five age groups.

From: Prevalence and associated factors of pistol grip deformity in Japanese local residents

 

Men

Women

Age groups (years)

 ≤ 49

4/59 (6.7%)

0/117 (0%)

50–59

0/78 (0%)

0/186 (0%)

60–69

5/130 (3.9%)

5/292 (1.7%)

70–79

21/135 (15.6%)

11/278 (4.0%)

 ≥ 80

22/89 (24.7%)

0.0 (4.3%)

Total

52/491 (10.6%)

0.0 (2.1%)

  1. The prevalence of PGD tends to increase with age group in both sexes (Cochran-Armitage test; men: p < 0.0001, women: p = 0.0004).
  2. PGD pistol grip deformity.