Table 2 Factors associated with infection at 3 months on univariable and multivariable proportional hazards analysis

2.2 (1.1–4.2)

0.018

2.7 (1.4–5.3)

0.004

3.6 (1.6–8.0)

0.001

4.3 (1.9–9.5)

< 0.001

5.4 (1.1–27.3)

0.043

8.5 (1.4–53.2)

0.022

2.1 (1.0–4.3)

0.043

2.9 (1.3–6.6)

0.010

4.8 (2.1–10.9)

<  0.001

5.6 (2.4–13.0)

<  0.001

9.2 (1.5–54.7)

0.015

17.9 (1.9–164.5)

0.011

1.1 (1.0–1.2)

0.005

1.1 (1.0–1.2)

0.131

1.9 (0.9–3.9)

0.096

1.2 (0.5–3.1)

0.678