Factors | Time to diagnosis (days) | ||
---|---|---|---|
Median | 75th percentile | p-valuea | |
Overall | 79 | 206 | Â |
Patient and clinical factors | |||
 Age at diagnosis | |||
   < 50 | 81 | 177 | <.0001 |
  50–59 | 74 | 158 |  |
  60–69 | 69 | 172 |  |
  70–79 | 82 | 223 |  |
  ≥ 80 | 105 | 286 |  |
 Residential zones | |||
  Calgary | 78 | 196 | 0.275 |
  Central | 84 | 227 |  |
  Edmonton | 80 | 208 |  |
  North | 78 | 223 |  |
  South | 74 | 194 |  |
 Median annual household income | |||
  < $45389 | 80.5 | 234 | 0.0035 |
  $45389 - $59119 | 87 | 219 |  |
  $59119 - $80148 | 77 | 196 |  |
  ≥ $80148 | 74 | 177 |  |
  Missing | 74 | 278 |  |
 Anatomic site | |||
  Colon | 87 | 227 | <.0001 |
  Rectum | 70 | 171.5 |  |
 Stage at diagnosis | |||
  I | 90 | 206 | 0.0007 |
  II | 78 | 212 |  |
  III | 78 | 211 |  |
  IV | 70 | 196.5 |  |
 Charlson comorbidity score | |||
  0 | 70 | 164 | <.0001 |
  1 | 88 | 219 |  |
  ≥ 2 | 147 | 322 |  |
 Gastrointestinal comorbidities | |||
  Yes | 88 | 195 | 0.0039 |
  No | 76 | 210 |  |
Healthcare utilization factors | |||
 UPC index | |||
  < 3 primary care visits | 50 | 112 | <.0001 |
  Low (<50%) | 90 | 231 |  |
  Medium (50%–80%) | 87 | 223 |  |
  High (>80%) | 73 | 181.5 |  |
 Visits to any physician | |||
  0–1 | 38 | 76 | <.0001 |
  2 | 71 | 151 |  |
  3 | 125 | 276 |  |
  4 | 189 | 348 |  |
  ≥ 5 | 287 | 436 |  |
 GP visits | |||
  0–1 | 56 | 127 | <.0001 |
  2 | 104 | 245 |  |
  ≥ 3 | 226 | 384 |  |
 GI specialist visits | |||
  0 | 64 | 160 | <.0001 |
  1 | 102 | 245 |  |
  ≥ 2 | 224.5 | 413 |  |
 non-GI specialist visits | |||
  0 | 76 | 194 | <.0001 |
  ≥ 1 | 201 | 358 |  |
 Endoscopies | |||
  0 | 97 | 271 | <.0001 |
  1 | 71 | 176 |  |
  ≥ 2 | 129 | 285 |  |
 Diagnostic imaging tests | |||
  0 | 61 | 135 | <.0001 |
  1 | 84 | 226 |  |
  2 | 125 | 290 |  |
  ≥ 3 | 183 | 302 |  |
 Method of detection | |||
  Screen-detected | 74 | 183 | 0.0002 |
  Symptomatic | 84 | 223 |  |