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Table 2 Comparison of local treatment modality in CCLG and GPOH

From: Survival is influenced by approaches to local treatment of Ewing sarcoma within an international randomised controlled trial: analysis of EICESS-92

 

Number of patients (percentage)

p value

CCLG

GPOH

N = 210

N = 437

Local treatment modality

 Surgery alone

70 (33)

71 (16)

< 0.001a

 Radiotherapy alone

81 (39)

85 (19)

 Radiotherapy then surgery

6 (3)

195 (45)

 Surgery then radiotherapy

32 (15)

60 (14)

 None (progressive disease)

18 (9)

7 (2)

 Unknown

3 (1)

19 (4)

Localised disease only

 Surgery alone

59 (39)

63 (19)

< 0.001

 Radiotherapy alone

53 (35)

55 (17)

 Radiotherapy then surgery

5 (3)

147 (45)

 Surgery then radiotherapy

24 (16)

47 (14)

 None (progressive disease)

9 (6)

3 (1)

 Unknown

0

14 (4)

  1. ap value for the association between type of local treatment and study group. The p value is also < 0.001 if ‘none’ or ‘unknown’ are excluded