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Table 4 Competing risk analysis of recurrence (N=51)

From: Survival analysis of extramammary Paget’s disease (EMPD) in a tertiary hospital in Taiwan

Variate

Recurrence rate

Sub-HR

95% CI

p-value

Gender

 Female (N=12)

16.67%

Reference

Reference

Reference

 Male (N=39)

15.38%

0.884

0.178–4.381

0.8799

Age

 Age less than 75 years old (N=25)

20.00%

Reference

Reference

Reference

 Age= 75 years old or more (N=26)

11.54%

0.673

0.161–2.818

0.5878

Lesion site

 Genital region or other (N=36)

16.67%

Reference

Reference

Reference

 Perianal or perineal (N=15)

13.33%

0.835

0.169–4.138

0.8253

Size of lesion

 Lesion = 2 cm or less (N=16)

6.25%

Reference

Reference

Reference

 Lesion lager than 2 cm (N=35)

20.00%

3.743

0.460–30.454

0.2171

Invasion of dermis

 No dermal invasion (N=45)

11.11%

Reference

Reference

Reference

 Deep dermal invasion (N=6)

50.00%

7.863

1.848–33.449

0.0052

Metastasis

 Without metastasis (N=44)

9.09%

Reference

Reference

Reference

 With any metastasis (N=7)

57.14%

9.103

2.249–36.849

0.0020

Concurrent malignancy

 No concurrent malignancy (N=32)

12.50%

Reference

Reference

Reference

 Adnexal or Internal malignancy (N=19)

21.05%

1.955

0.488–7.828

0.3436

Excision margin status (N=47)

 Margin not free (N=18)

22.22%

Reference

Reference

Reference

 Margin free (N=29)

13.79%

0.575

0.144–2.300

0.4338

Intraepithelial lesion (N= 31)

 Margin not free (N=8)

25.00%

Reference

Reference

Reference

 Margin free (N=23)

13.04%

0.463

0.077–2.779

0.3998

  1. Abbreviation: CI confidence interval, Sub-HR sub-hazard ratio