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Table 3 Overall 1-, 5-, 10- and 20-year survival regarding treatment of liver metastases; [patients at risk]

From: Neuroendocrine liver metastasis from the small intestine: Is surgery beneficial for survival?

Treatment

Estimated cumulative survival (Kaplan–Meier)

1-year survival

5-year survival

10-year survival

20-year survival

Group 1

Surveillance

n = 52

86.5 ± 4.4% [49]

68.8 ± 6.4% [33

24.3 ± 6.6% [9]

3.4 ± 3.2 [1]

Group 2

Surgery

n = 22

96.0 ± 3.9% [21]

73.9 ± 10.2% [11]

60.5 ± 12% [6]

0

Subgroup 2a

Minor liver surgery (≤ 1 segment)

n = 15

94.1 ± 5.7% [14]

76.7 ± 12.2% [6]

63.9 ± 15.5% [3]

0

Subgroup 2b

Major liver surgery (> 1 segment)

n = 7

100% [7a]

71.4 ± 17.1% [5]

57.1 ± 18.7% [3]

0

  1. aOnly one patient remained free of liver-metastases during follow-up