Table 1.
Patient characteristics
| Covariate | Early-stage cancer (N= 1199) | Advanced-stage cancer (N= 269) | Overall (N= 1468) | Stage missing (N= 745) |
|---|---|---|---|---|
| Age, years, mean (SD) | 73.7 (10.1) | 71.7 (10.1) | 73.3 (10.1) | 72.9 (11.1) |
|
| ||||
| Sex, female, n (%) | 260 (21.7) | 87 (32.3) | 347 (23.6) | 189 (25.4) |
|
| ||||
| Townsend quintile, mean (SD) | 2.7 (1.3) | 2.6 (1.3) | 2.7 (1.3) | 2.8 (1.3) |
|
| ||||
| Number of conditions, n | ||||
| 0 | 239 | 51 | 290 | 167 |
| 1 | 292 | 73 | 365 | 202 |
| 2 | 257 | 58 | 315 | 170 |
| 3 | 200 | 40 | 240 | 98 |
| ≥4 | 211 | 47 | 258 | 108 |
|
| ||||
| Alternative explanation, n (%) | 482 (40.2) | 134 (49.8) | 616 (42.0) | 275 (36.9) |
|
| ||||
| Participants in each study period, n (%) | ||||
| 2000–2003 | 156 (84.8)a | 28 (15.2)a | 184 (12.5)b | 230 (30.9)b |
| 2004–2007 | 322 (85.2)a | 56 (14.8)a | 378 (25.7)b | 316 (42.4)b |
| 2008–2011 | 417 (80.2)a | 103 (19.8)a | 520 (35.4)b | 168 (22.6)b |
| 2012–2015 | 304 (78.8)a | 82 (21.2)a | 386 (26.3)b | 31 (4.2)b |
| Total | 1199 (81.7)a | 269 (18.3)a | 1468 (100)b | 745 (100)b |
a
Percentage calculated from total participants each study period.
b
Percentage calculated from total number of symptomatic participants of entire study aged ≥40 years. SD = standard deviation.