Table I.
Characteristics of study patients, by analytic sample (n = 5483)
| No sign or symptom reported (n = 1652) |
No delay (n = 1913) |
Delay (n = 1918) |
p | |
|---|---|---|---|---|
| Age in years, mean ± STD | 75.9 ± 6.4 | 75.7 ± 6.4 | 76.9 ± 6.6 | <0.0001 |
| Race, n (%) | ||||
| White | 1415 (85.7) | 1588 (83.0) | 1542 (80.4) | |
| Black | 184 (11.1) | 248 (13.0) | 286 (14.9) | |
| Other | 53 (3.2) | 77 (4.0) | 90 (4.7) | <0.01 |
| Gender, n (%) | ||||
| Male | 854 (51.7) | 973 (50.9) | 805 (42.0) | |
| Female | 798 (48.3) | 940 (49.1) | 1113 (58.0) | <0.0001 |
| Urban resident, n (%) | 1508 (91.3) | 1738 (90.1) | 1725 (90.0) | 0.36 |
| Charlson score, n (%) | ||||
| 0 | 687 (41.6) | 845 (44.2) | 679 (35.4) | |
| 1 | 331 (20.0) | 350 (18.3) | 494 (25.8) | |
| 2+ | 147 (8.9) | 190 (9.9) | 368 (19.2) | |
| No claims | 487 (29.5) | 528 (27.6) | 377 (19.7) | <0.0001 |
| Region of residence, n (%) | ||||
| Northeast | 308 (18.6) | 347 (18.1) | 315 (16.4) | |
| South | 180 (10.9) | 230 (12.0) | 216 (11.3) | |
| Midwest | 407 (24.6) | 506 (26.5) | 549 (28.6) | |
| West | 757 (45.8) | 830 (43.4) | 838 (43.7) | 0.10 |
| Physician visits in year prior to myeloma diagnosis, median, IQR |
7, 4-13 | 9, 5-13 | 13, 8-19 | <0.0001 |
Note: Percentages may not total 100 percent due to rounding. STD, standard deviation; IQR, interquartile range.