Table 3 Univariate and multivariate analysis for overall survival

1.153

0.623 to 2.136

0.651

–

–

–

1.128

0.623 to 2.042

0.691

–

–

–

0.994

0.981 to 1.007

0.384

–

–

–

1.456

0.735 to 2.884

0.281

–

–

–

2.224

1.148 to 4.306

0.018

2.078

1.077 to 4.012

0.029

1.818

0.980 to 3.373

0.058

–

–

–

1.730

0.935 to 3.201

0.081

–

–

–

2.079

1.114 to 3.878

0.021

1.964

1.053 to 3.663

0.034