Table 3 The estimated postoperative median survival for five Ki67 values at three ages

From: The Ki67 index a prognostic marker in medullary thyroid carcinoma

Ki67 index of primary MTC tumours

Age at operation (years)

Cause-specific, median survival (years)

0.6

35

40.6

0.7

35

36.8

1.0

35

27.4

2.0

35

9.5

4.5

35

0.6

0.6

45

31.8

0.7

45

28.2

1.0

45

21.2

2.0

45

7.2

4.5

45

0.4

0.6

55

24.7

0.7

55

22.2

1.0

55

16.3

2.0

55

5.5

4.5

55

0.3

  1. Note that the higher the Ki67 index of the primary tumour and age at operation were, the shorter was the estimated postoperative survival.
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