Table 1 Baseline characteristics between LCC patients with and without SBM
Characteristics | Overall | With SBM | Without SBM | p Value |
|---|---|---|---|---|
N = 1375 | N = 216 | N = 1159 | ||
Year of diagnosis | 0.239 | |||
2010–2014 | 956 (69.53) | 158 (73.15) | 798 (68.85) | |
2015–2019 | 419 (30.47) | 58 (26.85) | 361 (31.15) | |
Age | ||||
< 60 | 368 (26.76) | 83 (38.43) | 285 (24.59) | < 0.001 |
60–79 | 841 (61.16) | 122 (56.48) | 719 (62.04) | |
≥ 80 | 166 (12.07) | 11 (5.09) | 155 (13.37) | |
Sex | 0.344 | |||
Male | 826 (60.07) | 123 (56.94) | 703 (60.66) | |
Female | 549 (39.93) | 93 (43.06) | 456 (39.34) | |
Race | 0.811 | |||
White | 1118 (81.31) | 178 (82.41) | 940 (81.10) | |
Black | 188 (13.67) | 29 (13.43) | 159 (13.72) | |
Other | 69 (5.02) | 9 (4.17) | 60 (5.18) | |
Marital status | 0.999 | |||
Married | 697 (50.69) | 110 (50.93) | 587 (50.65) | |
Single | 678 (49.31) | 106 (49.07) | 572 (49.35) | |
Median household income | 0.293 | |||
< $55,000 | 556 (40.44) | 81 (37.50) | 475 (40.98) | |
$55,000–$74,999 | 577 (41.96) | 101 (46.76) | 476 (41.07) | |
$75,000+ | 242 (17.60) | 34 (15.74) | 208 (17.95) | |
Primary site | 0.892 | |||
Main bronchus | 61 (4.44) | 9 (4.17) | 52 (4.49) | |
Upper lobe | 799 (58.11) | 128 (59.26) | 671 (57.89) | |
Middle lobe | 46 (3.35) | 5 (2.31) | 41 (3.54) | |
Lower lobe | 314 (22.84) | 52 (24.07) | 262 (22.61) | |
Unspecific | 155 (11.27) | 22 (10.19) | 133 (11.48) | |
Laterality | 0.438 | |||
Left | 570 (41.45) | 97 (44.91) | 473 (40.81) | |
Right | 788 (57.31) | 116 (53.70) | 672 (57.98) | |
Bilateral | 17 (1.24) | 3 (1.39) | 14 (1.21) | |
Grade | 0.044 | |||
III | 468 (34.04) | 67 (31.02) | 401 (34.60) | |
IV | 429 (31.20) | 58 (26.85) | 371 (32.01) | |
Unknown | 478 (34.76) | 91 (42.13) | 387 (33.39) | |
T stage | 0.327 | |||
T1 | 208 (15.13) | 25 (11.57) | 183 (15.79) | |
T2 | 302 (21.96) | 43 (19.91) | 259 (22.35) | |
T3 | 310 (22.55) | 57 (26.39) | 253 (21.83) | |
T4 | 539 (39.20) | 89 (41.20) | 450 (38.83) | |
T0 | 16 (1.16) | 2 (0.93) | 14 (1.21) | |
N stage | 0.050 | |||
N0 | 476 (34.62) | 57 (26.39) | 419 (36.15) | |
N1 | 122 (8.87) | 21 (9.72) | 101 (8.71) | |
N2 | 560 (40.73) | 101 (46.76) | 459 (39.60) | |
N3 | 217 (15.78) | 37 (17.13) | 180 (15.53) | |
Bone metastases | < 0.001 | |||
No | 1090 (79.27) | 144 (66.67) | 946 (81.62) | |
Yes | 285 (20.73) | 72 (33.33) | 213 (18.38) | |
Liver metastases | < 0.001 | |||
No | 1226 (89.16) | 176 (81.48) | 1050 (90.60) | |
Yes | 149 (10.84) | 40 (18.52) | 109 (9.40) | |
Lung metastases | 0.015 | |||
No | 1178 (85.67) | 173 (80.09) | 1005 (86.71) | |
Yes | 197 (14.33) | 43 (19.91) | 154 (13.29) | |
Surgery for primary site | < 0.001 | |||
No | 1050 (76.36) | 206 (95.37) | 844 (72.82) | |
Yes | 325 (23.64) | 10 (4.63) | 315 (27.18) | |
Chemotherapy | 0.363 | |||
No | 717 (52.15) | 106 (49.07) | 611 (52.72) | |
Yes | 658 (47.85) | 110 (50.93) | 548 (47.28) | |
Radiation | < 0.001 | |||
No | 743 (54.04) | 53 (24.54) | 690 (59.53) | |
Yes | 632 (45.96) | 163 (75.46) | 469 (40.47) |