Table 1 Demographic characteristics of study cohorts at the start of first-line therapy
Characteristics | Overall N = 5807 | RET+ N = 46 | RET- N = 5761 | RET+ vs RET- P value* |
|---|---|---|---|---|
Age, years | ||||
 Mean (Sd) | 67.2 (10.2) | 62.9 (11.0) | 67.2 (10.2) | 0.004 |
 Median (IQR) | 68.1 (60.2, 74.8) | 65 (54.8, 70.1) | 68.1 (60.3,74.9) |  |
Sex, n (%) | ||||
 Female | 2880 (49.6) | 23 (50.0) | 2857 (49.6) | 1.0 |
 Male | 2927 (50.4) | 23 (50.0) | 2904 (50.4) |  |
Race, n (%) | ||||
 White | 4078 (76.5) | 31 (72.1) | 4047 (76.5) | 0.76 |
 Asian | 187 (3.5) | 2 (4.7) | 185 (3.5) |  |
 Black | 343 (6.4) | 3 (7.0) | 340 (6.4) |  |
 Other | 723 (13.6) | 7 (16.3) | 716 (13.5) |  |
 Missing/Unknown | 476 | 3 | 533 |  |
Practice type, n (%) | ||||
 Academic | 342 (5.9) | 4 (8.7) | 338 (5.9) | 0.35 |
 Community | 5465 (94.1) | 42 (91.3) | 5423 (94.1) |  |