Table 1

Results of retrospective studies

Author

Year

Nr of patients

Surgery (%)

HR

95% CI

Median survival (months)


Surgery

No surgery


Not specified

Lumpec

Mastec


Khan [5]

2002

16023

57

0.61

0.58-0.65

-

27

32

19


Babiera [6]

2006

224

37

0.50

0.21-1.19

-

-


Rapiti [7]

2006

300

42

0.60

0.4-1.0

-1

-


Fields [8]

2007

409

46

0.53

0.42-0.67

32

15


Gnerlich [9]

2007

9734

47

0.63

0.60-0.66

36

21


Blanchard [10]

2008

395

61

0.71

0.56-0.91

27

17


Cady2 [15]

2008

622

38

-

-

-

-


Bafford [16]

2009

147

41

0.47

-

42

28


Ruiterkamp [11]

2009

728

40

0.62

0.51-0.76

31

14


Leung [17]

2009

157

33

-

-

25

13


Neuman [12]

2010

186

37

0.71

0.47-1.06

40

33


Dominici2 [18]

2011

290

23

0.94

0.83-1.08

42

41


HR: Hazard ratio; 95% CI: 95% confidence interval

1 Rapiti: 5-year specific survival; 27% for surgery with negative margins, 16% for surgery with positive margins, 12% for surgery with unknown margins and 12% for no surgery

2 Case-matched analysis

Ruiterkamp et al. BMC Surgery 2012 12:5   doi:10.1186/1471-2482-12-5

Open Data