Skip to main content

Table 2 Characteristics of synchronous and metachronous liver metastases

From: Colorectal cancer liver metastases – a population-based study on incidence, management and survival

  All liver metastases (n = 272) Synchronous (n = 166) Metachronous (n = 106) Pa
Sex ratio (M: F) 157: 115 93: 73 64: 42 0.478
Age category
  < 50 20 (7.4) 12 (7.2) 8 (7.6) 0.950
 51–65 100 (36.8) 61 (36.8) 39 (36.8)
 66–80 104 (38.2) 62 (37.4) 42 (39.6)
  > 80 48 (17.6) 31 (18.6) 17 (16.0)
Primary tumour positionb (n = 262)
 Right-sided tumours 77 (29.4) 53 (33.1) 24 (23.5) 0.096
 Left-sided tumours 185 (70.6) 107 (66.9) 78 (76.5)
Primary tumour positionc
 Caecum/ascending colon 64 (24.4) 42 (26.2) 22 (21.6) 0.127
 Transverse colon 13 (5.0) 11 (6.9) 2 (2.0)
 Descending /sigmoid colon 90 (34.4) 56 (35.0) 34 (33.3)
 Rectum 95 (36.2) 51 (31.9) 44 (43.1)
Number of liver metastases
 1 55 (20.2) 17 (10.2) 38 (35.8) <0.001
 2–3 69 (25.4) 37 (22.3) 32 (30.2)
  ≥ 4 148 (54.4) 112 (67.5) 36 (34.0)
No of segments involved
 1–3 138 (50.7) 64 (38.5) 74 (69.1) <0.001
 4–6 54 (19.9) 36 (21.7) 18 (17.0)
 7–8 80 (29.4) 66 (39.8) 14 (13.2)
  1. Values in parentheses are percentages unless indicated otherwise
  2. aChi2-test
  3. bAccording to embryologic origin excluding unknown primaries (n = 1) and multiple primaries (n = 9)
  4. cExcluding unknown primaries (n = 1) and multiple primaries (n = 9)