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Table 1 Distribution of patients on the basis of clinicopathological features and time delay

From: Waiting time for radiation therapy after breast-conserving surgery in early breast cancer: a retrospective analysis of local relapse and distant metastases in 615 patients

Variable

N

≤60 days

N

60–120 days

N

>120 days

p value

N. group

 

53

 

298

 

264

 

Age

 ≤50

53

31 (58.49)

298

85 (28.52)

264

56 (21.21)

<0.0001

 >50

53

22 (41.51)

298

213 (71.48)

264

208 (78.79)

Grading

 G1

32

9 (28.13)

228

63 (27.63)

219

71 (32.42)

0.741

 G2

32

20 (62.50)

228

132 (57.89)

219

118 (53.88)

 G3

32

3 (9.38)

228

33 (14.47)

219

30 (13.70)

Hystologic type

 Ductal infiltrating

52

39 (75.00)

297

225 (75.76)

264

176 (66.67)

0.2576

 Lobular infiltrating

52

5 (9.62)

297

16 (5.39)

264

21 (7.95)

 Ductal in situ

52

4 (7.69)

297

32 (10.77)

264

35 (13.26)

 Other

52

4 (7.69)

297

24 (8.08)

264

32 (12.12)

Margins

 Negative

53

52 (98.11)

298

292 (97.99)

264

251 (95.08)

0.0716

 Close

53

0 (0.00)

298

3 (1.01)

264

1 (0.38)

 Positive

53

1 (1.89)

298

3 (1.01)

264

12 (4.55)

Hormone therapy

 No

34

3 (8.82)

258

14 (5.43)

239

21 (8.79)

0.323

 Yes

34

31 (91.18)

258

244 (94.57)

239

218 (91.21)

Estrogen receptor status

 Negative

35

2 (5.71)

267

14 (5.24)

248

17 (6.85)

0.7418

 Positive

35

33 (94.29)

267

253 (94.76)

248

231 (93.15)

Site

 Right breast

53

24 (45.28)

291

140 (48.11)

257

139 (54.09)

0.2778

 Left breast

53

29 (54.72)

291

151 (51.89)

257

118 (45.91)

T stage

 DCIS

53

5 (9.43)

298

44 (14.77)

264

52 (19.70)

0.2187

 T1

53

38 (71.70)

298

216 (72.48)

264

180 (68.18)

 T2

53

10 (18.87)

298

38 (12.75)

264

32 (12.12)

Hormone therapy type

 None

33

3 (9.09)

258

14 (5.43)

239

21 (8.79)

0.0006

 AI

33

5 (15.15)

258

117 (45.35)

239

128 (53.56)

 Tamoxifen

33

14 (42.42)

258

85 (32.95)

239

58 (24.27)

 LHRH + tamoxifen

33

11 (33.33)

258

42 (16.28)

239

32 (13.39)

Year of diagnosis

 1980–1995

53

16 (30.19)

298

12 (4.03)

264

3 (1.14)

<0.0001

 1996–2010

53

37 (69.81)

298

286 (95.97)

264

61 (98.86)

  1. N number of patients; AI aromatase Inhibitors; LHRH luteinizing hormone-releasing hormone agonists