Table 5 Unadjusted and adjusted odds ratios (OR) for trimalleolar vs. uni−/bimalleolar ankle fractures

Age (cont.)

1.03 (1.024–1.056)

1.03 (1.019–1.034)

Sex (woman = 1)

2.96 (2.352–3.719)

2.30 (1.782–2.979)

BMI (cont.)

1.01 (0.985–1.030)

0.99 (0.965–1.013)

 Never a smoker

Reference category

Reference category

 Current smoker

0.81 (0.631–1.038)

1.13 (0.855–1.489)

 Former smoker

0.77 (0.496–1.196)

0.81 (0.506–1.304)

 Not known if ever smoked

1.44 (1.062–1.956)

1.36 (0.963–1.911)

Diabetes (yes = 1)

1.17 (1.198–2.482)

1.19 (0.780–1.839)

ASA (ASA 3–4 = 1)

1.54 (1.114–2.120)

0.74 (0.496–1.112)