Table 1. Characteristics of Cohort and Unadjusted Predictors of Delay.
| Characteristic | No. (%) of Cases | P Valuea | ||
|---|---|---|---|---|
| All Patients (N = 7629) |
Time to Surgery | |||
| ≤6 wk (n = 6422) |
>6 wk (n = 1207) |
|||
| Patient | ||||
| Age at diagnosis, y | ||||
| <50 | 1470 (19) | 1268 (20) | 202 (17) | .03 |
| 50-59 | 1225 (16) | 1049 (16) | 176 (15) | |
| 60-69 | 1840 (24) | 1523 (24) | 317 (26) | |
| 70-79 | 1975 (26) | 1650 (26) | 325 (27) | |
| ≥80 | 1119 (15) | 932 (15) | 187 (15) | |
| Sex | ||||
| Male | 4210 (55) | 3515 (55) | 695 (58) | .07 |
| Female | 3419 (45) | 2907 (45) | 512 (42) | |
| Race | ||||
| Non-Hispanic white | 7484 (98) | 6310 (98) | 1174 (97) | .02 |
| Others | 145 (2) | 112 (2) | 33 (3) | |
| Insurance type | ||||
| Private | 3667 (48) | 3148 (49) | 519 (43) | <.001 |
| Medicare | 3631 (48) | 3022 (47) | 609 (50) | |
| Medicaid | 331 (4) | 252 (4) | 79 (7) | |
| Rural zip code | ||||
| No | 4929 (65) | 4193 (65) | 736 (61) | .004 |
| Yes | 2700 (35) | 2229 (35) | 471 (39) | |
| Year of diagnosis | ||||
| 2004 | 661 (9) | 549 (9) | 112 (9) | .22 |
| 2005 | 778 (10) | 651 (10) | 127 (11) | |
| 2006 | 781 (10) | 640 (10) | 141 (12) | |
| 2007 | 930 (12) | 787 (12) | 143 (12) | |
| 2008 | 1073 (14) | 900 (14) | 173 (14) | |
| 2009 | 1143 (15) | 980 (15) | 163 (14) | |
| 2010 | 1127 (15) | 969 (15) | 158 (13) | |
| 2011 | 1136 (15) | 946 (15) | 190 (16) | |
| Charlson comorbidity index | ||||
| 0 | 7072 (93) | 5965 (93) | 1107 (92) | .15 |
| ≥1 | 557 (7) | 457 (7) | 100 (8) | |
| Physician | ||||
| Diagnosis by dermatologist | ||||
| No | 1508 (20) | 1283 (20) | 225 (19) | .28 |
| Yes | 6121 (80) | 5139 (80) | 982 (81) | |
| Surgery by dermatologist | ||||
| No | 3142 (41) | 2543 (40) | 599 (50) | <.001 |
| Yes | 4487 (59) | 3879 (60) | 608 (50) | |
| Tumor | ||||
| Cancer anatomic location | ||||
| Trunk | 2167 (28) | 1880 (29) | 287 (24) | <.001 |
| Head and neck | 2191 (29) | 1755 (27) | 436 (36) | |
| Upper extremities | 1997 (26) | 1720 (27) | 277 (23) | |
| Lower extremities | 1227 (16) | 1031 (16) | 196 (16) | |
| Other skin, not otherwise specified | 47 (1) | 36 (1) | 11 (1) | |
| American Joint Committee on Cancer Stage | ||||
| 0 | 3375 (44) | 2893 (45) | 482 (40) | <.001 |
| I | 2874 (38) | 2424 (38) | 450 (37) | |
| II | 474 (6) | 360 (6) | 114 (9) | |
| III | 256 (3) | 199 (3) | 57 (5) | |
| Unknown | 650 (9) | 546 (9) | 104 (9) | |
a
P value is for the association between the characteristic and time to surgery.