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Table 4 Specification of healthcare delay in early versus late stage colorectal cancer (CRC) in 272 symptomatic patients diagnosed with CRC in a population-based study.

From: Does delay in diagnosing colorectal cancer in symptomatic patients affect tumor stage and survival? A population-based observational study

Early vs Late stage CRC   healthcare delay (weeks)* referral delay (weeks) † hospital diagnostic delay (weeks) § staging/treatment delay (weeks) ‡
Early stage CRC Mean 17.1 6.7 6.1 4.9
(Dukes A&B, N = 136) Median 12 1 3 4
  SD 15.7 13.9 7.5 3.2
  SE 1.3 1.2 0.6 0.3
Late stage CRC Mean 19 11 5.2 3.6
(Dukes C&D, N = 136) Median 10 2 2 3
  SD 21.4 20.8 8.2 2.6
  SE 1.8 1.8 0.7 0.2
Total Mean 18 8.8 5.7 4.2
(N = 272) Median 12 1 3 4
  SD 18.8 17.8 7.9 2.9
  SE 1.1 1.1 0.5 0.2
  1. * No significant difference was observed in the mean healthcare delay in early versus late stage CRC
  2. (p = 0.46; tested on a logarithmic scale using the independent-samples t-test).
  3. † Mean referral delay was significantly longer in late stage CRC compared to early stage CRC
  4. (p = 0.04; tested on a logarithmic scale using the independent-samples t-test).
  5. § No significant difference was observed in the mean hospital diagnostic delay in early versus late stage CRC
  6. (p = 0.09; tested on a logarithmic scale using the independent-samples t-test).
  7. ‡ Mean staging/treatment delay was significantly shorter in late stage CRC compared to early stage CRC
  8. (p < 0.0001; tested on a logarithmic scale using the independent-samples t-test).
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