Table 2

 Influence of family history, mutation location, sex, and history of abdominal surgery on multiple desmoid occurrence

VariableNo with desmoids/total No (%)Univariate analysisMultivariate analysis
Odds ratio (95% CI)p ValueOdds ratio (95% CI)p Value
Proportion of family members with multiple desmoids
    None9/266 (3)1<0.0011<0.001
    Any17/54 (31)13.12 (3.54, 48.50)11.08 (3.02, 40.59)
Mutation location
    Before 139919/303 (6)10.0051<0.001
    After 13997/17 (41)10.46 (2.02, 54.11)6.62 (2.34, 18.78)
Sex
    Male9/159 (6)10.24
    Female17/161 (11)1.96 (0.63, 6.10)
History of abdominal surgery
    No1/23 (4)10.49
    Yes8/297 (8)2.02 (0.26, 15.24)