Table 1 Patient and tumor characteristics of the study cohort stratified by histologic subtype and operation
From: Role of colectomy in the management of appendiceal tumors: a retrospective cohort study
Characteristic | Goblet Cell n (%) | Mucinous n (%) | Neuroendocrine n (%) | Non-mucinous n (%) | ||||
|---|---|---|---|---|---|---|---|---|
Appy | RHC | Appy | RHC | Appy | RHC | Appy | RHC | |
Sex | p = 0.336 | p < 0.001 | p = 0.007 | p = 0.991 | ||||
Male | 303 (50) | 658 (48) | 844 (39) | 1899 (47) | 1165 (38) | 1070 (42) | 748 (53) | 1578 (53) |
Female | 298 (50) | 711 (52) | 1302 (61) | 2174 (53) | 1880 (62) | 1488 (58) | 675 (47) | 1423 (47) |
Age | 0.862 | 0.344 | < 0.001 | 0.002 | ||||
< 65 | 431 (72) | 987 (72) | 1410 (66) | 2627 (64) | 2507 (82) | 1828 (71) | 727 (51) | 1685 (56) |
≥ 65 | 170 (28) | 382 (28) | 736 (34) | 1446 (36) | 538 (18) | 730 (29) | 696 (49) | 1316 (44) |
Race | 0.561 | 0.404 | 0.022 | 0.426 | ||||
White | 532 (89) | 1219 (89) | 1831 (85) | 3508 (86) | 2677 (88) | 2226 (87) | 1183 (83) | 2508 (84) |
Black | 51 (8) | 120 (9) | 200 (9) | 378 (9) | 235 (8) | 242 (9) | 186 (13) | 361 (12) |
Other or Unknown | 18 (3) | 30 (2) | 115 (5) | 187 (5) | 133 (4) | 90 (4) | 54 (4) | 132 (4) |
Spanish/Hispanic Origin | 0.538 | 0.403 | < 0.001 | 0.247 | ||||
Non-Spanish/Hispanic | 573 (95) | 1296 (95) | 1917 (89) | 3682 (90) | 2741 (90) | 2378 (93) | 1307 (92) | 2721 (91) |
Spanish/Hispanic | 9 (1) | 31 (2) | 146 (7) | 247 (6) | 240 (8) | 114 (4) | 72 (5) | 157 (5) |
Unknown | 19 (3) | 42 (3) | 83 (4) | 144 (4) | 64 (2) | 66 (3) | 44 (3) | 123 (4) |
Insurance Status | 0.574 | 0.393 | < 0.001 | 0.204 | ||||
Private | 351 (58) | 814 (59) | 1213 (57) | 2271 (56) | 1922 (63) | 1470 (58) | 641 (45) | 1428 (48) |
Medicare/Medicaid/Government | 223 (37) | 480 (35) | 844 (39) | 1600 (39) | 902 (30) | 968 (38) | 723 (51) | 1441 (48) |
None | 21 (4) | 52 (4) | 58 (3) | 143 (4) | 188 (6) | 88 (3) | 38 (3) | 97 (3) |
Unknown | 6 (1) | 23 (2) | 31 (1) | 59 (1) | 33 (1) | 32 (1) | 21 (2) | 35 (1) |
Urbanicity | 0.821 | 0.557 | 0.013 | 0.007 | ||||
Metropolitan | 505 (84) | 1136 (83) | 1751 (82) | 3334 (82) | 2648 (87) | 2150 (84) | 1217 (86) | 2466 (82) |
Urban | 73 (12) | 183 (13) | 223 (10) | 440 (11) | 292 (10) | 288 (11) | 159 (11) | 370 (12) |
Rural | 8 (1) | 14 (1) | 25 (1) | 54 (1) | 34 (1) | 43 (2) | 15 (1) | 49 (2) |
Unknown | 15 (3) | 36 (3) | 147 (7) | 245 (6) | 71 (2) | 77 (3) | 32 (2) | 116 (4) |
Median Income (quartiles) | 0.341 | 0.374 | 0.068 | 0.694 | ||||
< $40,227 | 86 (14) | 177 (13) | 317 (15) | 541 (13) | 366 (12) | 329 (13) | 213 (15) | 427 (14) |
$40,227-$50,353 | 110 (18) | 236 (17) | 377 (18) | 716 (18) | 497 (16) | 459 (18) | 261 (18) | 562 (19) |
$50,354-$53,332 | 107 (18) | 288 (21) | 420 (20) | 864 (21) | 654 (22) | 513 (20) | 305 (21) | 658 (22) |
≥ $63,333 | 215 (36) | 506 (37) | 803 (37) | 1507 (37) | 1186 (39) | 934 (37) | 498 (35) | 1011 (34) |
Unknown | 83 (14) | 162 (12) | 229 (11) | 445 (11) | 342 (11) | 323 (13) | 146 (10) | 343 (11) |
No High School Degree (quar.) | 0.389 | 0.417 | 0.329 | 0.328 | ||||
≥ 17.6% | 93 (16) | 184 (13) | 352 (16) | 686 (17) | 473 (16) | 370 (14) | 220 (16) | 472 (16) |
10.9%-17.5% | 125 (21) | 318 (23) | 472 (22) | 809 (20) | 628 (21) | 550 (22) | 341 (24) | 665 (22) |
6.3%-10.8% | 142 (24) | 347 (25) | 543 (25) | 1061 (26) | 823 (27) | 665 (26) | 360 (25) | 805 (27) |
< 6.3% | 159 (27) | 360 (26) | 554 (26) | 1076 (26) | 784 (26) | 653 (26) | 361 (25) | 721 (24) |
Unknown | 82 (14) | 160 (12) | 225 (11) | 441 (11) | 337 (11) | 320 (13) | 141 (10) | 338 (11) |
Charlson-Deyo Score | 0.066 | 0.332 | < 0.001 | 0.084 | ||||
0 | 485 (81) | 1040 (76) | 1751 (82) | 3275 (80) | 2632 (86) | 2040 (80) | 1075 (76) | 2245 (75) |
1 | 87 (14) | 242 (18) | 309 (14) | 604 (15) | 303 (10) | 381 (15) | 226 (16) | 540 (18) |
≥ 2 | 29 (5) | 87 (6) | 86 (4) | 194 (5) | 110 (4) | 137 (5) | 122 (9) | 216 (7) |
Year of Diagnosis | 0.298 | 0.437 | < 0.001 | 0.038 | ||||
2004–2010 | 90 (15) | 181 (13) | 651 (30) | 1197 (29) | 264 (9) | 369 (14) | 330 (30) | 783 (26) |
2011–2017 | 511 (85) | 1188 (87) | 1495 (70) | 2876 (71) | 2781 (91) | 2189 (86) | 783 (70) | 2218 (74) |
Facility Type | 0.088 | 0.146 | < 0.001 | 0.048 | ||||
Community | 82 (14) | 150 (11) | 119 (6) | 264 (7) | 165 (5) | 189 (7) | 137 (10) | 302 (10) |
Comprehensive Community | 238 (40) | 512 (37) | 728 (34) | 1317 (32) | 821 (27) | 858 (33) | 630 (44) | 1225 (41) |
Academic/Research | 148 (25) | 413 (30) | 858 (40) | 1705 (42) | 505 (17) | 735 (29) | 379 (27) | 909 (30) |
Integrated Network | 96 (16) | 203 (15) | 249 (12) | 472 (12) | 305 (10) | 271 (11) | 202 (14) | 385 (13) |
Unknown | 37 (6) | 91 (7) | 192 (9) | 315 (8) | 1249 (41) | 505 (20) | 75 (5) | 180 (6) |
Facility Location | 0.025 | 0.003 | < 0.001 | < 0.001 | ||||
Northeast | 109 (18) | 312 (23) | 440 (21) | 815 (20) | 414 (14) | 528 (21) | 277 (20) | 609 (20) |
Midwest | 152 (25) | 365 (27) | 420 (20) | 969 (24) | 376 (12) | 556 (22) | 323 (23) | 755 (25) |
South | 202 (34) | 431 (32) | 753 (35) | 1375 (34) | 613 (20) | 668 (26) | 507 (36) | 1102 (37) |
West | 101 (17) | 170 (12) | 341 (16) | 599 (15) | 393 (13) | 301 (12) | 241 (17) | 355 (12) |
Unknown | 37 (6) | 91 (7) | 192 (9) | 315 (8) | 1249 (41) | 505 (20) | 75 (5) | 180 (6) |
AJCC Stage | < 0.001 | < 0.001 | < 0.001 | < 0.001 | ||||
1 | 140 (23) | 204 (15) | 189 (9) | 308 (8) | 2381 (78) | 945 (37) | 261 (18) | 471 (16) |
2 | 376 (63) | 861 (63) | 633 (30) | 1313 (32) | 339 (11) | 705 (28) | 509 (36) | 1064 (36) |
3 | 31 (5) | 160 (12) | 156 (7) | 522 (13) | 177 (6) | 593 (23) | 180 (13) | 605 (20) |
4 | 50 (8) | 142 (10) | 1096 (51) | 1871 (46) | 145 (5) | 313 (12) | 320 (22) | 757 (25) |
0 | 4 (1) | 2 (< 1) | 72 (3) | 59 (1) | 3 (< 1) | 2 (< 1) | 153 (11) | 104 (3) |
Grade | 0.009 | < 0.001 | < 0.001 | < 0.001 | ||||
Well Differentiated | 147 (24) | 283 (21) | 820 (38) | 1234 (30) | 2028 (67) | 1231 (48) | 291 (20) | 483 (16) |
Moderately Differentiated | 87 (15) | 229 (17) | 553 (26) | 1208 (30) | 212 (7) | 594 (23) | 660 (46) | 1508 (50) |
Poorly Differentiated | 56 (9) | 189 (14) | 439 (20) | 1089 (27) | 163 (5) | 438 (17) | 292 (21) | 760 (25) |
Unknown | 311 (52) | 668 (49) | 334 (16) | 542 (13) | 642 (21) | 295 (12) | 180 (13) | 250 (8) |
Lymphovascular Invasion | 0.098 | < 0.001 | < 0.001 | < 0.001 | ||||
Absent | 380 (63) | 821 (60) | 1016 (47) | 1925 (47) | 2160 (71) | 1365 (53) | 782 (55) | 1505 (50) |
Present | 100 (17) | 285 (21) | 244 (11) | 706 (17) | 275 (9) | 615 (24) | 237 (17) | 676 (23) |
Unknown | 121 (20) | 263 (19) | 886 (41) | 1442 (35) | 610 (20) | 578 (23) | 404 (28) | 820 (27) |