Table 4.
Clinical characteristics of patients with low (<50) and high (>100) nevus number
| Variables* | Cases <50(%) n = 150 | Cases >100(%) n = 113 | P | ||
|---|---|---|---|---|---|
|
Clinical characteristic |
Age at melanoma diagnosis* |
|
49(34–64) |
39(32–50) |
<0.001 |
| |
Gender |
Male |
68(45.3) |
51(45.1) |
1.000 |
| |
|
Female |
82(54.7) |
62(54.9) |
|
| |
Fitzpatrick skin type |
Dark |
80(58.4) |
43(45.7) |
0.061 |
| |
|
Fair |
57(41.6) |
51(54.3) |
|
| |
Hair colour |
Dark |
107(77.5) |
71(75.5) |
0.723 |
| |
|
Light |
31(22.5) |
23(24.5) |
|
| |
Eye colour |
Dark |
90(66.2) |
60(64.5) |
0.795 |
| |
|
Light |
46(33.8) |
33(35.5) |
|
| |
Actinic Damage |
No |
99(85.3) |
64(85.3) |
0.988 |
| |
|
Yes |
17(14.7) |
11(14.7) |
|
|
Habits of solar exposure |
Solar exposure before 10 years old |
None/Mild |
53(41.4) |
28(29.5) |
0.067 |
| |
|
Severe/Moderate |
75(58.6) |
67(70.5) |
|
| |
Solar exposure 10–18 years old |
None/Mild |
30(23.8) |
26(27.7) |
0.517 |
| |
|
Severe/Moderate |
96(76.2) |
68(72.3) |
|
| |
Solar exposure over 18 years old |
None/Mild |
26(20.6) |
24(25.8) |
0.367 |
| |
|
Severe/Moderate |
100(79.4) |
69(74.2) |
|
|
Melanoma characteristic |
Number of melanoma |
SPM |
120(80) |
50(44.2) |
<0.001 |
| MPM | 30 (20) | 63(55.8) |
*Not all the patients have complete phenotype data.**The median (25th - 75th percentile) of age at diagnosis of melanoma was reported.