Table 5 Analysis of OS in breast cancer with specific distant organ metastasis and primary sites.

From: Differences in distant metastasis risk of breast cancer originating from various primary sites: a retrospective analysis based on the SEER database

Primary site

Bone metastasis

Brain metastasis

Liver metastasis

Lung metastasis

HR (95% CI)

P

HR (95% CI)

P

HR (95% CI)

P

HR (95% CI)

P

UOQ

REF

REF

REF

REF

LIQ

0.909 (0.733–1.127)

0.383

0.470 (0.166–1.333)

0.156

0.757 (0.471–1.218)

0.251

1.132 (0.782–1.640)

0.511

UIQ

0.936 (0.791–1.106)

0.437

2.086 (1.080–4.030)

0.029

0.912 (0.640–1.298)

0.608

1.016 (0.761–1.357)

0.915

LOQ

0.918 (0.765–1.102)

0.358

0.365 (0.110–1.213)

0.100

1.073 (0.780–1.477)

0.664

0.778 (0.562–1.077)

0.130

Axillary tail

0.928 (0.536–1.608)

0.790

b

0.853 (0.234–3.107)

0.810

Overlapping

0.983 (0.872–1.107)

0.773

1.716 (0.939–3.138)

0.079

1.231 (0.979–1.546)

0.075

1.138 (0.927–1.395)

0.216

TCNPa

1.137 (0.952–1.356)

0.156

0.726 (0.255–2.064)

0.547

1.170 (0.788–1.737)

0.436

1.069 (0.757–1.509)

0.704

  1. aIncluding the central and nipple portion.
  2. bThe number of patients was not enough for further calculation.