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Table 4 Multivariate analysis of factors affecting cancer-specific and overall survival

From: Comparing the characteristics and predicting the survival of patients with head and neck melanoma versus body melanoma: a population-based study

Factors

Cancer specific survival

Overall survival

HR (95% CI)

HR (95% CI)

HNM

P value

BM

P value

HNM

P value

BM

P value

Age

  ≤ 58 / ≤63

Reference

 

Reference

 

Reference

 

Reference

 

 59–78 / 64–79

1.398 (1.211–1.613)

< 0.001

1.401 (1.289–1.522)

< 0.001

2.570 (2.318–2.849)

< 0.001

2.743 (2.583–2.912)

< 0.001

  ≥ 79 / ≥80

2.218 (1.891–2.602)

< 0.001

2.488 (2.237–2.766)

< 0.001

7.667 (6.918–8.497)

< 0.001

8.031 (7.519–8.578)

< 0.001

Sex

 Male

Reference

 

Reference

 

Reference

 

Reference

 

 Female

0.790 (0.686–0.908)

0.001

0.693 (0.641–0.749)

< 0.001

0.854 (0.784–0.930)

< 0.001

0.662 (0.629–0.698)

< 0.001

Histology

 NM

Reference

 

Reference

 

Reference

 

Reference

 

 LMM

0.538 (0.432–0.670)

< 0.001

0.566 (0.427–0.749)

< 0.001

0.795 (0.701–0.902)

< 0.001

0.988 (0.879–1.110)

0.841

 SMM

0.834 (0.712–0.978)

0.025

0.615 (0.556–0.680)

< 0.001

0.851 (0.760–0.953)

0.005

0.724 (0.674–0.778)

< 0.001

 aOther

0.607 (0.513–0.718)

< 0.001

0.813 (0.732–0.903)

< 0.001

0.655 (0.580–0.740)

< 0.001

0.811 (0.749–0.878)

< 0.001

Thickness

  < 0.6 mm

Reference

 

Reference

 

Reference

 

Reference

 

 0.6–0.79 mm

1.564 (1.141–2.144)

0.005

1.383 (1.102–1.735)

0.005

1.205 (1.037–1.401)

 0.015

 1.096 (0.987-1.217)

 0.086

 0.8–1.0 mm

2.156 (1.610–2.888)

< 0.001

2.255 (1.851–2.746)

< 0.001

1.264 (1.079–1.480)

0.005

1.235 (1.109–1.375)

<0.001

 1.01–2.0 mm

3.292 (2.649–4.092)

< 0.001

3.192 (2.736–3.723)

< 0.001

1.558 (1.384–1.754)

< 0.001

1.446 (1.330–1.572)

< 0.001

 2.01–4.0 mm

3.952 (3.146–4.965)

< 0.001

4.376 (3.724–5.142)

< 0.001

1.768 (1.552–2.015)

< 0.001

1.958 (1.785–2.147)

< 0.001

  > 4.0 mm

4.417 (3.438–5.673)

< 0.001

5.613 (4.738–6.650)

< 0.001

2.080 (1.788–2.419)

< 0.001

2.524 (2.280–2.793)

< 0.001

Ulceration

 No

Reference

 

Reference

 

Reference

 

Reference

 

 Yes

1.842 (1.615–2.102)

< 0.001

2.225 (2.036–2.431)

< 0.001

1.472 (1.340–1.618)

< 0.001

1.775 (1.665–1.892)

< 0.001

Stage

 Localized

Reference

 

Reference

 

Reference

 

Reference

 

 Regional

2.547 (2.196–2.954)

< 0.001

3.179 (2.902–3.482)

< 0.001

1.677 (1.502–1.874)

< 0.001

2.044 (1.909–2.190)

< 0.001

 Distant

3.683 (2.013–6.737)

< 0.001

5.245 (4.064–6.768)

< 0.001

2.434 (1.523–3.891)

< 0.001

3.667 (2.932–4.587)

< 0.001

Metastases

 No

Reference

 

Reference

 

Reference

 

Reference

 

 Yes

2.323 (1.237–4.364)

0.009

2.545 (1.939–3.342)

< 0.001

2.061 (1.244–3.413)

0.005

2.276 (1.779–2.912)

< 0.001

Surgery

 No

Reference

 

Reference

 

Reference

 

Reference

 

 Yes

0.369 (0.262–0.519)

< 0.001

0.536 (0.410–0.701)

< 0.001

0.568 (0.457–0.708)

< 0.001

0.510 (0.432–0.603)

< 0.001

  1. HNM head and neck melanoma, BM body melanoma, NM nodular melanoma, LMM Lentigo maligna melanoma, SSM superficial spreading melanoma, HR hazard ratio, 95% CI 95% confidence interval, CSS cancer-specific survival, OS overall survival
  2. a Other: International Classification of Diseases for Oncology-O-3, codes 8722–8723, 8730, 8740–8741, 8744–8746, 8761, 8770–8774, 8780
  3. Bold values indicate statistical significance less than 0.05