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Table 2 Prevalence of structural deformities in the civilian group, military veteran group, and all patients combined, reported as [n (%)], and the P-value for Fisher’s exact tests comparing the proportion of patients in the civilian and military veteran groups

From: Femoroacetabular impingement is more common in military veterans with end-stage hip osteoarthritis than civilian patients: a retrospective case control study

Structural deformity

Radiographic criteria (°)

Percentage (%)

P-value

Civilians

Veterans

Total

Cam FAI

AA ≥60

54.0 (20/37)

47.6 (10/21)

51.7 (30/58)

0.786

Pincer FAI

LCEA ≥40

14.3 (6/42)

42.9 (9/21)

23.8 (15/63)

0.025*

Mixed FAI

AA ≥60 and LCEA ≥40

2.4 (1/42)

28.6 (6/21)

11.1 (7/63)

0.004*

  1. FAI Femoroacetabular impingement, AA Alpha angle, LCEA Lateral center-edge angle of Wiberg; *Indicates statistically significant at the 0.05 level