Cumulative incidence of complication types 1 to 5 over time as assessed by separate CR analysis for each type (see material and methods for details).

<p>Cumulative incidence of complication types 1 to 5 over time as assessed by separate CR analysis for each type (see <a href="http://www.plosone.org/article/info:doi/10.1371/journal.pone.0135736#sec006" target="_blank">material and methods</a> for details).</p

Cumulative incidence of first complication (any Type 1 to 5) as assessed by CR analysis (see material and methods for details).

<p>Cumulative incidence of first complication (any Type 1 to 5) as assessed by CR analysis (see <a href="http://www.plosone.org/article/info:doi/10.1371/journal.pone.0135736#sec006" target="_blank">material and methods</a> for details).</p

Baseline characteristics and operative data.

<p>Baseline characteristics and operative data.</p

Univariate and multivariable analyses of 1st and type 1 to 4 complications based on a Competing Risks analysis.^*

<p>HR—hazard ratio; CI—confidence interval of HR</p><p>* Type 5 complications excluded for too low number of events</p><p>Univariate and multivariable analyses of 1st and type 1 to 4 complications based on a Competing Risks analysis.^{<a href="http://www.plosone.org/article/info:doi/10.1371/journal.pone.0135736#t002fn002" target="_blank">*</a>}</p