Table 2 T1abc stage MpBC survival outcomes of patients following chemotherapy treatment or not.

From: Chemotherapy significantly improves long-term survival of small lesion node negative metaplastic breast carcinoma in T1c population rather than T1a and T1b

Treatment

Overall survival

Breast cancer-specific survival

5-year survival (95 CI, %)

10-year survival (95 CI, %)

15-year survival (95 CI, %)

5-year survival (95 CI, %)

10-year survival (95 CI, %)

15-year survival (95 CI, %)

T1a

Chemotherapy

62.500 (0.365–1.000)

62.500 (0.365–1.000)

62.500 (0.365–1.000)

85.714 (0.633–1.000)

85.714 (0.633–1.000)

85.714 (0.633–1.000)

Chemotherapy-naïve/Unknown

80.000 (0.516–1.000)

53.333 (0.214–1.000)

-

100.000 (1.000–1.000)

100.000 (1.000–1.000)

-

T1b

Chemotherapy

100.000 (1.000–1.000)

94.737 (0.852–1.000)

94.737 (0.852–1.000)

100.000 (1.000–1.000)

100.000 (1.000–1.000)

100.000 (1.000–1.000)

Chemotherapy-naïve/Unknown

92.888 (0.863–0.999)

76.138 (0.627–0.924)

45.683 (0.218–0.959)

95.861 (0.904–1.000)

91.503 (0.821–1.000)

91.503 (0.821–1.000)

T1c

Chemotherapy

91.347 (0.869–0.960)

83.623 (0.770–0.909)

81.300 (0.736–0.898)

96.324 (0.935–0.993)

93.000 (0.885–0.978)

90.416 (0.839–0.974)

Chemotherapy-naïve/Unknown

79.842 (0.745–0.855)

67.236 (0.602–0.751)

53.046 (0.426–0.660)

88.547 (0.842–0.931)

83.992 (0.784–0.900)

83.992 (0.784–0.900)

  1. Abbreviations: CI, confidence interval.