Table 2 Univariate analysis of clinical variables for LMS and OS

Gender

1.084

0.739 to 1.591

0.681

1.645

0.726 to 1.563

0.747

Age

1.579

1.132 to 2.202

0.007

1.731

1.241 to 2.414

0.001

VCA-IgA (≤1:320 vs. >1:320)

1.595

1.067 to 2.383

0.022

1.358

0.909 to 2.028

0.135

EA-IgA (≤1:40 vs. >1:40)

1.038

0.687 to 1.566

0.861

1.153

0.762 to 1.743

0.501

AJCC T classification

1.316

0.939 to 1.845

0.110

1.610

1.139 to 2.276

0.007

AJCC N classification

1.355

0.972 to 1.889

0.073

1.469

1.050 to 2.056

0.024

Site of metastases ¹

1.576

1.127 to 2.205

0.008

2.017

1.433 to 2.840

<0.001

Number of metastases ²

1.669

1.155 to 2.413

0.006

2.042

1.404 to 2.971

<0.001

Size of metastases ^{3 †}

1.034

0.710 to 1.504

0.863

1.428

0.981 to 2.079

0.063

Mediastinal node metastases ^{4 ‡}

1.061

0.753 to 1.496

0.735

1.234

0.875 to 1.740

0.230

Locoregional recurrence ⁵

1.277

0.787 to 2.071

0.323

1.058

0.650 to 1.719

0.822

Secondary metastases ⁶

3.100

2.116 to 4.541

<0.001

1.830

1.263 to 2.652

0.001

DFI (months, ≤24 vs. >24)

1.330

0.950 to 1.860

0.096

4.209

2.923 to 6.060

<0.001