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Table 2 Association between tumor characteristics and non-detection

From: Screening mammography for second breast cancers in women with history of early-stage breast cancer: factors and causes associated with non-detection

Variables

Non-detection

(n = 114)

Detected

(n = 74)

P value

Recurrence site

Ipsilateral

85 (61%)

55 (39%)

1.000

Contralateral

27 (60%)

18 (40%)

Both

2 (67%)

1 (33%)

Pathologic stage

Stage 0

26 (67%)

13 (33%)

0.357

Stage 1

53 (63%)

31 (37%)

Stage 2

35 (54%)

30 (46%)

Histologic grade

Grade 1

13 (81%)

3 (19%)

0.249

Grade 2

60 (62%)

37 (38%)

Grade 3

37 (55%)

30 (45%)

Unknown

4 (50%)

4 (50%)

LN positivity

Yes

14 (50%)

14 (50%)

0.212

Lymphovascular invasion

Yes

18 (62%)

11 (38%)

0.864

ER

Positive

61 (64%)

35 (36%)

0.405

PR

Positive

61 (65%)

33 (35%)

0.232

HER2

Negative

74 (57%)

55 (43%)

0.161

Positive

36 (65%)

19 (35%)

Equivocal

4 (100%)

0 (0%)

Molecular subtype

Luminal A

51 (61%)

32 (39%)

0.211

Luminal B

17 (71%)

7 (29%)

HER2

19 (61%)

12 (39%)

TN*

23 (50%)

23 (50%)

Unknown

4 (100%)

0 (0%)

  1. Note—The numbers in parentheses are percentages
  2. *TN triple negative