Table 2:
Characteristics of patients who died from colorectal cancer according to testing categories, KPSC and KPNC 2006–2012
| Characteristics (row %) |
Failures to screen | Failure to follow-up for positive screening |
Failure of the screening testa |
Total | ||
|---|---|---|---|---|---|---|
| Failure to screen |
Failure to screen at appropriate intervals |
Failure to receive surveillance |
||||
| N (%) | N (%) | N (%) | N (%) | N (%) | N | |
| TOTAL | 591 (33.8) | 574 (32.8) | 22 (1.3) | 141 (8.1) | 422 (24.1) | 1,750 |
|
Age at diagnosis (years) |
||||||
| <55 | 10 (43.5) | 9 (39.1) | 1 (4.3) | 0 (0.0) | 3 (13) | 23 |
| 55–64 | 211 (37.0) | 193 (33.9) | 1 (0.2) | 25 (4.4) | 140 (24.6) | 570 |
| 65–74 | 145 (28.7) | 172 (34.0) | 10 (2.0) | 57 (11.3) | 122 (24.1) | 506 |
| 75–84 | 185 (33.2) | 172 (30.9) | 9 (1.6) | 54 (9.7) | 137 (24.6) | 557 |
| 85+ | 40 (42.6) | 28 (29.8) | 1 (1.1) | 5 (5.3) | 20 (21.3) | 94 |
| Race/ethnicity | ||||||
| NH white | 388 (33.1) | 388 (33.1) | 19 (1.6) | 90 (7.7) | 287 (24.5) | 1,172 |
| NH black | 68 (32.4) | 74 (35.2) | 1 (0.5) | 16 (7.6) | 51 (24.3) | 210 |
| Hispanic | 61 (37.2) | 48 (29.3) | 1 (0.6) | 13 (7.9) | 41 (25) | 164 |
| Asian/PI | 61 (39.1) | 52 (33.3) | 0 (0.0) | 15 (9.6) | 28 (17.9) | 156 |
| Other | 13 (27.1) | 12 (25.0) | 1 (2.1) | 7 (14.6) | 15 (31.3) | 48 |
| Sex | ||||||
| Men | 289 (33.3) | 288 (33.2) | 10 (1.2) | 63 (7.3) | 218 (25.1) | 868 |
| Women | 124 (33.0) | 130 (34.6) | 4 (1.1) | 30 (8.0) | 88 (23.4) | 376 |
|
Percent with <HS education (quartiles)b |
||||||
| 1 | 124 (33.0) | 130 (34.6) | 4 (1.1) | 30 (8.0) | 88 (23.4) | 376 |
| 2 | 142 (33.7) | 136 (32.3) | 6 (1.4) | 35 (8.3) | 102 (24.2) | 421 |
| 3 | 158 (36.2) | 140 (32.0) | 6 (1.4) | 28 (6.4) | 105 (24) | 437 |
| 4 | 154 (32.2) | 157 (32.8) | 6 (1.3) | 46 (9.6) | 116 (24.2) | 479 |
| Missing | 13 (35.1) | 11 (29.7) | 0 (0.0) | 2 (5.4) | 11 (29.7) | 37 |
|
Health plan enrollment (years) |
||||||
| 5.0–7.4 | 100 (33.2) | 97 (32.2) | 3 (1.0) | 21 (7.0) | 80 (26.6) | 301 |
| 7.5–9.9 | 108 (34.3) | 116 (36.8) | 4 (1.3) | 24 (7.6) | 63 (20) | 315 |
| 10 or longer | 383 (33.8) | 361 (31.8) | 15 (1.3) | 96 (8.5) | 279 (24.6) | 1,134 |
|
Number of PCP Visitsc |
||||||
| 0 | 53 (65.4) | 23 (28.4) | 1 (1.2) | 2 (2.5) | 2 (2.5) | 81 |
| 1 | 26 (57.8) | 15 (33.3) | 0 (0.0) | 3 (6.7) | 1 (2.2) | 45 |
| 2 | 45 (46.9) | 31 (32.3) | 2 (2.1) | 7 (7.3) | 11 (11.5) | 96 |
| 3+ | 467 (30.6) | 505 (33.0) | 19 (1.2) | 129 (8.4) | 408 (26.7) | 1,528 |
| Charlson scored | ||||||
| 0 | 426 (35.9) | 400 (33.7) | 13 (1.1) | 79 (6.7) | 268 (22.6) | 1,186 |
| 1 | 79 (26.8) | 99 (33.6) | 4 (1.4) | 24 (8.1) | 89 (30.2) | 295 |
| 2+ | 86 (32.0) | 75 (27.9) | 5 (1.9) | 38 (14.1) | 65 (24.2) | 269 |
| Diagnosis year | ||||||
| 2002–2005 | 96 (36.2) | 90 (34.0) | 3 (1.1) | 15 (5.7) | 61 (23) | 265 |
| 2006–2008 | 233 (33.7) | 273 (39.5) | 9 (1.3) | 39 (5.6) | 137 (19.8) | 691 |
| 2009–2012 | 262 (33.0) | 211 (26.6) | 10 (1.3) | 87 (11.0) | 224 (28.2) | 794 |
| Tumor location | ||||||
| Rectal | 146 (36.8) | 143 (36.0) | 4 (1.0) | 22 (5.5) | 82 (20.7) | 420 |
| Left | 187 (44.5) | 129 (30.7) | 4 (1.0) | 33 (7.9) | 67 (16) | 397 |
| Right | 232 (26.3) | 292 (33.1) | 14 (1.6) | 83 (9.4) | 261 (29.6) | 882 |
| Unspecified | 26 (51.0) | 10 (19.6) | 0 (0.0) | 3 (5.9) | 12 (23.5) | 51 |
|
Receipt of initial therapy |
||||||
| Yes | 463 (31.4) | 516 (35.0) | 18 (1.2) | 115 (7.8) | 362 (24.6) | 1,474 |
| None | 40 (42.6) | 21 (22.3) | 2 (2.1) | 7 (7.4) | 24 (25.5) | 94 |
| Unknown | 10 (41.7) | 5 (20.8) | 0 (0.0) | 2 (8.3) | 7 (29.2) | 24 |
| Missing | 78 (49.4) | 32 (20.3) | 2 (1.3) | 17 (10.8) | 29 (18.4) | 158 |
Note: Percentages may not add to 100% due to rounding
Abbreviations: Kaiser Permanente Southern California (KPSC), Kaiser Permanente Northern California (KPNC), Non-Hispanic (NH), Primary Care Physician (PCP), High School (HS)
Legend:
Includes 24 patients who had a negative barium enema
Percentage of people 25 years or older with less than a high school diploma in the census tract based on the 2000 decennial census
Primary care physician (family medicine, internal medicine, geriatrics, and obstetrics and gynecology) outpatient encounters were enumerated in the 5-year period, but excluding the 90-day period, before the reference date.
Charlson comorbidity score at baseline defined as five years prior to the reference date, which accounted for the minimum enrollment requirement for inclusion in the study