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Table 1 Patient demographics

From: Comparison of the clinical courses and chemotherapy outcomes in metastatic colorectal cancer patients with and without active Mycobacterium tuberculosis or Mycobacterium kansasiiinfection: a retrospective study

Variable Overall MTB or MK
   (+) (–)
Total 30 7 23
Sex (male/female) 20/10 5/2 15/8
Median age (range), years 69 (43–85) 60 (56–73) 74 (43–85)
Performance status (0–1/2/3–4) 19/5/6 5/0/2 14/5/4
Primary site (rectum/colon) 17/13 5/2 12/11
Stage (IV/relapse) 15/15 5/2 10/13
Number of metastatic organs (1/≥2) 13/17 5/2 8/15
Metastatic sites    
  Lung 18 4 14
  Liver 13 4 9
  Peritoneum 8 1 7
  Abdominal lymph node 5 1 4
  Bone 5 0 5
  Mediastinal lymph node 4 0 4
  Others 2 0 2
Serum CEA (ng/mL) level    
≤5/>5 7/23 2/5 5/18
K-ras status (wild–type/mutated/unknown) 12/14/4 4/3/0 8/11/4
Respiratory diseases    
  MTB or MK infection 6/1 6/1
  COPD with oxygen inhalation 2 0 2
  Others 2 0 2
  1. CEA: carcinoembryonic antigen, MTB: Mycobacterium tuberculosis, MK: Mycobacterium kansasii, COPD: chronic obstructive pulmonary disease.