Skip to main content

Table 1 Distribution of categorical parameters in patients with sequential, sandwich or simultaneous chemo- and radiotherapy (a done by Pearson x2-test)

From: Sequencing chemotherapy and radiotherapy in locoregional advanced breast cancer patients after mastectomy – a retrospective analysis

   

Sequencing of chemo- and radiotherapy

  

all patients n = 212

sequential n = 86

sandwich n = 70

simultaneous n = 56

pa (two-sided)

Age n (%)

age ≤ 50

41 (19.3)

14 (16.3)

15 (21.4)

12 (21.4)

0.7

 

age > 50

171 (80.7)

72 (83.7)

55 (78.6)

44 (78.6)

 

histological type n (%)

ductal-invasiv

158 (74.5)

65 (79.3)

48 (68.6)

45 (80.4)

0.7

 

ductal-lobular

35 (16.5)

14 (17.1)

14 20)

7 (12.5)

 
 

other

19 (9)

7 (8.1)

8 (11.4)

4 (7.1)

 

pT n (%)

pT1/2

123 (58)

53 (61.6)

40 (57.1)

30 (53.6)

0.4

 

pT3/4

89 (42)

33 (38.4)

30 (42.9)

26 (46.4)

 

pN n (%)

pN0

48 (22.6)

12 (14)

14 (20)

22 (39.3)

0.004

 

pN1

35 (16.5)

18 (20.9)

8 (11.4)

9 (16.1)

 
 

pN2-3

129 (60.9)

56 (65.1)

48 (68.6)

25 (44.6)

 

LVI n (%)

yes

77 (36.3)

22 (25.6)

40 (57.1)

15 (26.8)

< 0.0001

 

no

135 (63.7)

64 (74.4)

30 (42.9)

41 (73.2)

 

G n (%)

G1

5 (2.4)

3 (3.5)

1 (1.4)

1 (1.8)

0.2

 

G2

89 (42)

36 (41.9)

23 (32.9)

30 (53.6)

 
 

G3

118 (55.7)

47 (54.7)

46 (65.7)

25 (44.6)

 

ECS n (%)

yes

110 (51.9)

50 (58.1)

41 (58.6)

19 (33.9)

0.007

 

no

102 (48.1)

36 (41.9)

29 (41.4)

37 (66.1)

 

Receptor (ER and/or PR) n (%)

positive

158 (74.5)

66 (76.7)

53 (75.7)

39 (69.6)

0.6

 

negative

54 (25.5)

20 (23.3)

17 (24.3)

17 (30.4)

 

R n (%)

R0

197 (92.9)

81 (94.2)

64 (91.4)

52 (92.9)

0.9

 

R+

15 (7.1)

5 (5.8)

6 (8.6)

4 (7.1)

 

V n (%)

yes

194 (91.5)

81 (94.2)

60 (85.7)

53 (94.6)

0.1

 

no

18 (8.5)

5 (5.8)

10 (14.3)

3 (5.4)

 

RT region n (%) parasternal fields (in 28.3% created) not separately considered

THW + SIA

148 (69.8)

62 (72.1)

56 (80)

30 (53.6)

0.01

 

THW only

17 (8)

6 (7)

6 (8.6)

5 (8.9)

 
 

SIA only

47 (22.2)

18 (20.9)

8 (11.4)

21 (37.5)