Table 1 Clinical variables according to chemoimmunotherapy status
Chemotherapy Alone (n = 10,733 (83.9%)) n (%) | Chemoimmunotherapy (n = 2064 (16.1%)) n (%) | p value | |
|---|---|---|---|
Age (years) | 66.6 (sd 9.1) | 65.1 (sd 8.5) | < 0.0001 |
Sex | 0.7613 | ||
Male | 5707 (53.2) | 1105 (53.5) | |
Female | 5026 (46.8) | 959 (46.5) | |
Histology | < 0.0001 | ||
Adenocarcinoma | 6858 (63.9) | 1648 (79.8) | |
Squamous | 2146 (20.0) | 180 (8.7) | |
Large Cell or other | 1729 (16.1) | 236 (11.4) | |
Racea | 0.0583 | ||
White | 8674 (81.4) | 1698 (82.8) | |
Black | 1390 (13.1) | 266 (13.0) | |
Asian/Other | 588 (5.5) | 87 (4.2) | |
Charlson Comorbidity Score | 0.5969 | ||
0 | 7049 (65.7) | 1361 (65.9) | |
1 | 2535 (23.6) | 497 (24.1) | |
≥2 | 1149 (10.7) | 206 (10.0) | |
Palliative Radiation | 0.9970 | ||
No | 6589 (61.4) | 1267 (61.4) | |
Yes | 4144 (38.6) | 797 (38.6) | |
Insurance Statusb | < 0.0001 | ||
Uninsured | 344 (3.3) | 55 (2.7) | |
Private | 3359 (31.9) | 781 (38.7) | |
Public | 6837 (64.9) | 1183 (58.6) | |
Area of residence median household income, quartiles ($) c | 0.3918 | ||
< 38,000 | 2085 (19.5) | 374 (18.2) | |
38,000 47,999 | 2634 (24.6) | 492 (23.9) | |
48,000 62,999 | 2804 (26.2) | 551 (26.81) | |
≥63,000 | 3184 (29.7) | 638 (31.1) |