Table 3

Clinico-pathological characteristics of the study group
Variable*
 Patients
 %
Gender

     Males
 573
 57.2
     Females
 429
 42.8
Family History

     Yes
 167
 16.7
     No
 826
 82.4
     Unknown
 9
 0.9
Multi-primary Melanoma

     Yes
 152
 15.2
     No
 849
 84.7
     Unknown
 1
 0.1
Stage at Diagnosis

     0
 58
 5.8
     I
 504
 50.3
     II
 235
 23.4
     III
 169
 16.9
     IV
 9
 0.9
     Unstagable¥
 27
 2.7
Current Stage

     0
 56
 5.6
     I
 435
 43.4
     II
 159
 15.9
     III
 217
 21.7
     IV
 129
 12.9
     Unstagable¥
 6
 0.5
Primary Clark Level

     I
 58
 5.8
     II
 108
 10.8
     III
 150
 14.9
     IV
 489
 48.8
     V
 69
 6.9
     Unknown
 128
 12.8
Thickness (mm)

     In situ
 58
 5.8
     < 1.01
 321
 32.0
     1.01 – 2.00
 272
 27.1
     2.01 – 4.00
 161
 16.1
     > 4.00
 121
 12.1
     Unknown
 69
 6.9
Tumor Infiltrating Lymphocytes (TILs)

     Absent
 206
 20.6
     Non-brisk
 397
 39.6
     Brisk
 31
 3.1
     unknown
 368
 36.7
Distant Metastasis

     Yes
 130
 13.0
     No
 870
 86.8
     N/Aϕ
 2
 0.2
Intransit Metastasis

     No
 942
 94.0
     Yes
 27
 2.7
     N/Aϕ
 33
 3.3
Number of Moles

     None
 260
 25.9
     Few
 498
 49.7
     Moderate
 169
 16.9
     Many
 40
 4.0
     N/Aϕ
 35
 3.5
Phenotypic Index

     1 (low risk)
 38
 3.8
     2
 210
 21.0
     3
 317
 31.6
     4
 328
 32.7
     5 (high risk)
 105
 10.5
     N/Aϕ
 4
 0.4
Site of the Primary Melanoma

     Extremities
 535
 53.4
     Trunk
 342
 34.1
     Head and Neck
 71
 7.1
     Non-cutaneousω
 12
 1.2
     Unknown
 42
 4.2

* With the exception of 'current stage', the variables were recorded at the initial diagnosis.

¥ patients with missing data on the 'T' classification.

ω 90% mucosal melanomas and 10% other sites.

ϕ N/A: data not available.

Cotignola et al. Journal of Negative Results in BioMedicine 2007 6:9   doi:10.1186/1477-5751-6-9

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