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Table 7 Comparison with older cohorts

From: Prognostic impact of the “Sekhar grading system for cranial Chordomas” in patients treated with pencil beam scanning proton therapy: an institutional analysis

 

This study (n = 142)

Weber 2016 (n = 151)

Paris D’Orsay (n = 34)

Heidelberg (n = 155)

Age (years)

42

43 (mean)

59

48

GTV (cc)

26

35

24

70 (PTV)

Treatment for recurrence (%)

15

36

44

35

GTR (%)

13

4

9

0

LC (%)

75 (at 5 y)

76 (at 5 y)

83 (at 3 y)

72 (at 5 y)

OS (%)

83 (at 5 y)

86 (at 5 y)

91 (at 3 y)

85 (at 5 y)

  1. GTV (cc) gross tumor volume in cm3, GTR gross total resection, LC local control, OS overall survival