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Table 3 Treatment strategy, stratified by stage-at-diagnosis

From: Racial differences in six major subtypes of melanoma: descriptive epidemiology

   NHW HW Black Asian/PI P-value
Melanoma in situ
 In situ No treatment 3641 (4.2) 109 (5.8) 11 (5.0) 17 (4.2) 0.142
Surgery 83560 (95.3) 1770 (93.8) 210 (95.0) 385 (95.5)  
Radiation 117 (0.1) 2 (0.1) 0 1 (0.2)  
Radiation & Surgery 354 (0.4) 6 (0.3) 0 0  
Superficial spreading melanoma
 Localized No treatment 1106 (1.4) 38 (2.1) 3 (1.6) 8 (2.5) 0.877
Surgery 76782 (98.0) 1764 (97.5) 183 (97.9) 306 (95.6)  
Radiation 16 (0.0) 0 0 0  
Radiation & Surgery 440 (0.6) 7 (0.4) 1 (0.5) 6 (1.9)  
 Regional No treatment 19 (0.4) 0 0 0 0.999
Surgery 4366 (95.4) 142 (96.6) 20 (95.2) 34 (97.1)  
Radiation 4 (0.1) 0 0 0  
Radiation & Surgery 188 (4.1) 5 (3.4) 1 (4.8) 1 (2.9)  
 Distant No treatment 15 (4.2) 0 0 0 0.650
Surgery 259 (73.4) 12 (80.0) 1 (50.0) 3 (100.0)  
Radiation 9 (2.5) 0 0 0  
Radiation & Surgery 70 (19.8) 3 (20.0) 1 (50.0) 0  
Nodular melanoma
 Localized No treatment 149 (1.3) 5 (1.4) 2 (4.5) 1 (1.2) 0.585
Surgery 11613 (97.5) 344 (98.0) 42 (95.5) 81 (97.6)  
Radiation 12 (0.1) 0 0 1 (1.2)  
Radiation & Surgery 137 (1.2) 2 (0.6) 0 0  
 Regional No treatment 41 (0.7) 2 (0.7) 0 0 0.571
Surgery 5792 (94.2) 259 (93.8) 39 (95.1) 63 (95.5)  
Radiation 2 (0.0) 0 0 1 (1.5)  
Radiation & Surgery 312 (5.1) 15 (5.4) 2 (4.9) 2 (3.0)  
 Distant No treatment 42 (5.3) 4 (8.2) 0 0 0.346
Surgery 553 (70.3) 40 (81.6) 11 (73.3) 6 (66.7)  
Radiation 9 (1.1) 0 0 0  
Radiation & Surgery 183 (23.3) 5 (10.2) 4 (26.7) 3 (33.3)  
Lentigo maligna melanoma
 Localized No treatment 301 (1.9) 7 (3.0) 1 (2.9) 0 0.986
Surgery 15617 (97.4) 224 (96.6) 33 (97.1) 56 (96.6)  
Radiation 5 (0.0) 0 0 1 (1.7)  
Radiation & Surgery 104 (0.6) 1 (0.4) 0 1 (1.7)  
Regional No treatment 4 (0.7) 0 1 (12.5) 0 0.759
Surgery 513 (92.9) 8 (100.0) 7 (87.5) 5 (83.3)  
Radiation - - - -  
Radiation & Surgery 35 (6.3) 0 0 1 (16.7)  
 Distant No treatment 2 (3.4) 0 0 0 0.992
Surgery 40 (69.0) 1 (100.0) 2 (100.0) 1 (100.0)  
Radiation 2 (3.4) 0 0 0  
Radiation & Surgery 14 (24.1) 0 0 0  
Acral lentiginous melanoma, malignant
 Localized No treatment 23 (1.9) 3 (1.6) 5 (3.5) 1 (1.1) 0.841
Surgery 1201 (97.3) 178 (97.8) 138 (96.5) 87 (97.8)  
Radiation 2 (0.2) 0 0 0  
Radiation & Surgery 8 (0.6) 1 (0.5) 1 (0.5) 1 (1.1)  
 Regional No treatment 3 (0.6) 0 1 (1.8) 0 0.301
Surgery 481 (97.2) 89 (94.7) 54 (94.7) 65 (97.0)  
Radiation - - - -  
Radiation & Surgery 11 (2.2) 5 (5.3) 2 (3.5) 2 (3.0)  
 Distant No treatment 1 (1.6) 1 (7.7) 0 0 0.022
Surgery 54 (88.5) 11 (84.6) 7 (70.0) 5 (55.6)  
Radiation 1 (1.6) 1 (7.7) 0 1 (11.1)  
Radiation & Surgery 5 (8.2) 0 3 (33.3) 3 (30.0)  
Malignant melanoma, NOS
 Localized No treatment 1950 (2.0) 84 (3.3) 14 (4.0) 18 (3.6) <0.001
Surgery 95929 (97.4) 2425 (96.2) 330 (94.6) 475 (95.6)  
Radiation 70 (0.1) 0 2 (0.6) 0  
Radiation & Surgery 591 (0.6) 13 (0.5) 3 (0.9) 4 (0.8)  
 Regional No treatment 882 (7.9) 52 (9.4) 2 (1.2) 7 (5.3) 0.010
Surgery 9397 (84.3) 451 (81.7) 153 (92.2) 116 (87.9)  
Radiation 69 (0.6) 7 (1.3) 1 (0.6) 1 (0.8)  
Radiation & Surgery 801 (7.2) 42 (7.6) 10 (6.0) 8 (6.1)  
 Distant No treatment 2901 (37.5) 175 (44.9) 71 (46.1) 50 (37.6) <0.001
Surgery 2136 (27.6) 97 (24.9) 51 (33.1) 40 (30.1)  
Radiation 1192 (15.4) 48 (12.3) 17 (11.0) 25 (18.8)  
Radiation & Surgery 1501 (19.4) 70 (17.9) 15 (9.7) 18 (13.5)  
  1. Cancers diagnosed in the period of 1973–2011 in the SEER 18 database. In each cell, count (percentage). P-values were obtained from multivariate logistic regression