Skip to main content
. Author manuscript; available in PMC: 2020 May 18.
Published in final edited form as: J Am Acad Dermatol. 2019 Jan 14;80(6):1640–1649. doi: 10.1016/j.jaad.2019.01.009

Table I.

Patient demographics, cancer characteristics, and cancer treatment in non-Hispanic white patients with melanoma by tumor thickness and stage from the California Cancer Registry (2004-2013)

<1 mm not ulcerated
<1 mm not ulcerated
Stage IIA
Stage IIB
Stage III
Stage IV
(n = 30,873 [71.6%])
(n = 1092 [2.5%])
(n = 3447 [8.0%])
(n = 2350 [5.5%])
(n = 3137 [7.3%])
(n = 2209 [5.1%])
Characteristic n % n % n % n % n % n % P value

Sex
 Male 17,964 58.2% 698 63.9% 2242 65.0% 1593 67.8% 2124 67.7% 1575 713%
 Female 12,909 41.8% 394 36.1% 1205 35.0% 757 322% 1013 323% 634 28.7% <.001
Age at diagnosis, y
 <5 1970 6.4% 48 4.4% 133 3.9% 59 25% 224 7.1% 78 35%
 35–44 3023 9.8% 76 7.0% 175 5.1% 103 4.4% 291 93% 116 53%
 45–54 5710 185% 154 14.1% 459 133% 248 10.6% 581 185% 317 14.4%
 55 64 7033 22.8% 233 213% 647 18.8% 444 18.9% 719 22.9% 540 24.4%
 65–74 6288 20.4% 226 20.7% 712 20.7% 503 21.4% 579 185% 498 225%
 >75+ 6849 22.2% 355 325% 1321 383% 993 423% 743 23.7% 660 29.9% <.001
SES
 Lowest SES 1772 5.7% 78 7.1% 244 7.1% 191 8.1% 259 83% 204 92%
 Lower-middle SES 3439 11.1% 163 14.9% 490 142% 345 14.7% 447 142% 341 15.4%
 Middle SES 5341 173% 192 17.6% 666 193% 446 19.0% 633 202% 447 202%
 Higher-middle SES 7473 242% 259 23.7% 795 23.1% 546 232% 718 22.9% 527 23.9%
 Highest SES 10,874 352% 326 29.9% 1011 293% 676 28.8% 880 28.1% 549 24.9%
 Missing 1974 6.4% 74 6.8% 241 7.0% 146 62% 200 6.4% 141 6.4% <0.001
Year of diagnosis
 2004–2006 9683 31.4% 332 30.4% 1056 30.6% 704 30.0% 942 30.0% 670 303%
 2007–2009 10,791 35.0% 334 30.6% 1060 30.8% 747 31.8% 1002 31.9% 728 33.0%
 2010–2013 10,399 33.7% 426 39.0% 1331 38.6% 899 383% 1193 38.0% 811 36.7% <.001
Histology
 Malignant CO 605% 646 592% 2052 595% 1368 582% 1871 59.6% 1985 89.9%
  melanoma, NOS
 Nodular melanoma 299 1.0% 130 11.9% 660 19.1% 609 25.9% 690 22.0% 158 72%
 Lentigo maligna 1800 5.8% 37 3.4% 66 1.9% 30 13% 20 0.6% 2 0.1%
  melanoma
 Superficial spreading 9977 323% 275 252% 629 182% 313 133% 497 15.8% 57 2.6%
  melanoma
 Acral lentiginous 120 0.4% 4 0.4% 40 12% 30 13% 59 1.9% 7 03% <.001
  melanoma
Lymph node biopsy
 No 26,494 853% 725 66.4% 1454 422% 1096 46.6% 1742 555% 2021 915%
 Yes 4332 14.0% 364 333% 1988 57.7% 1252 533% 1385 442% 98 4.4%
 Unknown 47 02% 3 0.4% 5 0.1% 2 0.1% 10 03% 90 4.1% <.0001
Chemotherapy
 No 30,738 99.6% 1075 98.4% 3415 99.1% 2308 982% 2824 90.0% 1525 69.0%
 Yes 72 02% 14 13% 28 0.8% 36 15% 275 83% 647 293%
 Unknown 63 02% 3 03% 4 0.1% 6 03% 38 12% 37 1.7% <.0001
Immunotherapy
 No 30,726 995% 1060 97.1% 3394 985% 2262 962% 2439 773% 1972 893%
 Yes 96 03% 26 2.4% 46 13% 79 3.4% 640 20.4% 224 10.1%
 Unknown 51 02% 6 0.6% 7 02% 9 0.4% 58 13% 13 0.6% <.0001

NOS. Not otherwise specified; SES, socioeconomic status.