Copyright
©The Author(s) 2021.
World J Gastrointest Surg. Nov 27, 2021; 13(11): 1463-1483
Published online Nov 27, 2021. doi: 10.4240/wjgs.v13.i11.1463
Published online Nov 27, 2021. doi: 10.4240/wjgs.v13.i11.1463
Table 4 Propensity score matching subgroups
| Characteristic | ALA, n = 1714 | OLA, n = 1714 | P value |
| Year of diagnosis | 0.978 | ||
| 2004-2006 | 339 (20) | 334 (19) | |
| 2007-2009 | 385 (23) | 394 (23) | |
| 2010-2012 | 468 (27) | 471 (28) | |
| 2013-2015 | 522 (30) | 515 (30) | |
| Age at diagnosis (yr) | 0.861 | ||
| Median (range) | 66 (14-98) | 66 (18-93) | |
| Sex | 0.945 | ||
| Male | 1011 (59) | 1013 (59) | |
| Female | 703 (41) | 701 (41) | |
| Race | 0.181 | ||
| White | 972 (57) | 973 (57) | |
| Black | 303 (18) | 268 (16) | |
| Asian/Pacific | 439 (25) | 473 (28) | |
| Marital status | 0.234 | ||
| Single/divorced | 389 (23) | 378 (22) | |
| Married | 1035 (60) | 1082 (63) | |
| Widowed | 218 (13) | 183 (71) | |
| NA | 72 (4) | 71 (4) | |
| Insurance status | 0.958 | ||
| Insured | 1305 (76) | 1312 (77) | |
| Uninsured | 339 (20) | 334 (19) | |
| NA | 70 (4) | 68 (4) | |
| Primary site | 0.926 | ||
| Fundus/body | 327 (19) | 333 (19) | |
| Antrum/pylorus | 571 (33) | 553 (32) | |
| Overlapping lesion | 235 (14) | 235 (14) | |
| Stomach, NOS | 581 (34) | 593 (35) | |
| Tumor size (cm) | 0.016 | ||
| ≤ 5 | 737 (43) | 645 (38) | |
| 5.1-10 | 663 (39) | 724 (42) | |
| ≥ 10.1 | 222 (13) | 248 (15) | |
| NA | 92 (5) | 97 (6) | |
| Hystology | 0.046 | ||
| ADC, NOS | 557 (32) | 538 (31) | |
| Signet ring cell carcinoma | 492 (29) | 480 (28) | |
| ADC, Instestinal type | 289 (17) | 313 (18) | |
| Carcinoma, diffuse type | 177 (10) | 175 (10) | |
| ADC with mixed subtypes | 69 (4) | 88 (5) | |
| Other | 130 (8) | 110 (7) | |
| Grade | 0.892 | ||
| Well/moderately differentiated | 310 (18) | 319 (19) | |
| Poorly/undifferentiated | 1351 (79) | 1345 (79) | |
| NA | 53 (3) | 50 (3) | |
| T stage, 8th ed. | 0.553 | ||
| T1 | 59 (3) | 48 (3) | |
| T2 | 137 (8) | 132 (8) | |
| T3 | 769 (45) | 793 (46) | |
| T4a | 597 (35) | 572 (33) | |
| T4b | 152 (9) | 169 (10) | |
| N stage, 8th ed. | 0.659 | ||
| N0 | 250 (15) | 259 (15) | |
| N1 | 252 (15) | 223 (13) | |
| N2 | 342 (20) | 340 (20) | |
| N3a | 380 (22) | 380 (22) | |
| N3b | 490 (29) | 512 (30) | |
| Stage, 8th ed. | 0.808 | ||
| IIA | 263 (15) | 253 (15) | |
| IIB | 226 (13) | 215 (13) | |
| IIIA | 351 (21) | 353 (21) | |
| IIIB | 377 (22) | 365 (21) | |
| IIIC | 497 (29) | 528 (30) | |
| Chemotherapy | 0.025 | ||
| Yes | 1105 (65) | 1167 (32) | |
| No | 609 (35) | 1167 (68) | |
| Neoadjuvant chemotherapy | < 0.001 | ||
| Yes | 225 (13) | 310 (18) | |
| No | 1499 (87) | 1404 (82) | |
| Radiotherapy | 0.051 | ||
| Yes | 718 (42) | 662 (39) | |
| No | 996 (58) | 1052 (61) | |
| Type of surgery | < 0.001 | ||
| Partial gastrectomy | 1099 (64) | 955 (56) | |
| Total gastrectomy | 615 (36) | 759 (44) |
- Citation: Desiderio J, Sagnotta A, Terrenato I, Garofoli E, Mosillo C, Trastulli S, Arteritano F, Tozzi F, D'Andrea V, Fong Y, Woo Y, Bracarda S, Parisi A. Long-term survival of patients with stage II and III gastric cancer who underwent gastrectomy with inadequate nodal assessment. World J Gastrointest Surg 2021; 13(11): 1463-1483
- URL: https://www.wjgnet.com/1948-9366/full/v13/i11/1463.htm
- DOI: https://dx.doi.org/10.4240/wjgs.v13.i11.1463