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Table 5 Comparison of survival without local recurrence of the cohort 2

From: Eligibility criteria for intraoperative radiotherapy for breast cancer: study employing 12,025 patients treated in two cohorts

  

R2E

R2nE

T2E

T2nE

T2E-R2E

 

Number

356

4089

1509

2936

1153

3 years

%

99.4%

96.3%

98.5%

95.4%

98.3%

 

Standard error

0.5

0.3

0.3

0.4

0.4

 

exposed to the risk

284

3409

1235

2426

950

5 years

%

98.6%

94%

96.6%

93.1%

96.1%

 

Standard error

0.7

0.4

0.5

0.5

0.6

 

exposed to the risk

132

2411

804

1714

671

7 years

%

97.8%

90.8%

94.1%

89.8%

93.4%

 

Standard error

1.1

0.6

0.8

0.7

0.9

 

exposed to the risk

44

1950

465

1113

420

10 years

%

92.6%

87.4%

91.9%

85.9%

91.4%

 

Standard error

5.1

7

1.1

0.9

1.2

 

exposed to the risk

12

848

221

632

208

12 years

%

 

83.8%

 

82.2%

 
 

Standard error

 

10

 

1.2

 
 

exposed to the risk

 

539

 

408

 

Log rank

 

0.001

 

< 0.0001

0.084*

  1. *R2E vs T2E-R2E, no significant difference.
  2. Key: RE (eligible for RIOP), R2nE (not eligible for RIOP), T2E (eligible for TARGIT A) T2nE (not eligible for TARGIT A).