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Table 1 Validation results based on a survey of 605 clinical records (the high-resolution sample)

From: Hospital factors and patient characteristics in the treatment of colorectal cancer: a population based study

  High-resolution sample (gold standard)
    Colon Rectum Missing TOTAL
   Colon 181 6 0 187
  Type of cancer Rectum 28 390 0 418
   TOTAL 209 396 0 605
    Curative intent Palliative intent Missing TOTAL
   Curative intent 567 32 0 599
  Type of surgery Palliative intent 5 1 0 6
   TOTAL 572 33 0 605
Study cohort sample    AP resection Minor resection Missing TOTAL
   AP resection 78 11 0 89
  Surgery for rectal cancer Minor resection 15 281 5 301
   Missing 0 0 0 0
   TOTAL 93 292 5 390
    Yes No Missing  
   Yes 65 2 0 65
  Presence of metastasis No 25 509 6 540
   Missing 0 0 0 0
   TOTAL 90 511 6 605
  1. AP: abdominoperineal.