Table 2 Correlation between various clinicopathological factors and recurrence in ER-positive DCIS treated with breast-conserving surgery.

From: The clinical significance of oestrogen receptor expression in breast ductal carcinoma in situ

Parameter

ER-positive DCIS in BCS-treated patients (n = 242)

No recurrence (n = 190)

Recurrence (n = 52)

χ2 (P value)

Age (years)a

 <40

3 (2)

3 (6)

2.979 (0.226)

 40–60

101 (53)

26 (50)

 >60

86 (45)

23 (44)

Presentation

 Screening

121 (64)

26 (50)

3.206 (0.073)

 Symptomatic

69 (36)

26 (50)

Sizea

 <16 mm

101 (53)

28 (54)

0.127 (0.966)

 16–40 mm

76 (40)

20 (39)

 >40 mm

13 (7)

4 (7)

Grade

 Low

46 (24)

4 (8)

7.028 (0.030)

 Intermediate

61 (33)

19 (36)

High

82 (43)

29 (56)

Comedo necrosis

 Yes

104 (55)

24 (46)

1.207 (0.272)

 No

86 (45)

28 (54)

Radiotherapy

 Yes

68 (36)

6 (12)

11.311 (0.001)

 No

122 (64)

46 (88)

Margin status (mm)

 <2

9 (5)

2 (4)

0.058 (0.971)

 ≥2

169 (95)

44 (96)

PR status

 Positive

144 (83)

38 (84)

0.038 (0.846)

 Negative

29 (17)

7 (16)

HER2 statusb

 Negative

125 (85)

40 (84)

0.011 (0.915)

 Positive

23 (15)

7 (16)

  1. DCIS ductal carcinoma in situ, N number, χ2 Chi square, PR progesterone receptor, ER oestrogen receptor.
  2. aAge and size: categorised according to the Van Nuys Prognostic Index (VNPI).
  3. bHER2 final status is achieved using a combination of IHC and chromogenic in situ hybridisation (CISH).
  4. P values in bold are significant.