Table 9 Effect of TC, gender, and chemotherapy on DST-specific survival based on different primary site in patients with DST-1st.

From: The effect of thyroid cancer on the survival of patients with digestive system tumors using SEER database

The primary site

Thyroid cancer (Reference: Without)

Sex (Reference: Male)

Chemotherapy (Reference: Yes)

 

HR (95% CI) P-value

HR (95% CI) P-value

HR (95% CI) P-value

Esophagus(n = 175)

0.48(0.20–117) 0.11

0.75(0.47–1.19) 0.23

2.02(0.86–4.79) 0.11

Stomach(n = 626)

0.49(0.28–0.84) 0.010

1.47(1.05–2.08) 0.027

0.97(0.61–1.53) 0.89

Small intestine(n = 389)

0.41(0.04–3.87) 0.44

1.40(0.43–4.49) 0.58

1.22(0.42–3.55) 0.72

Colon(n = 4225)

0.52(0.40–0.67) <0.001

0.89(0.77–1.03) 0.11

0.81(0.67–0.98) 0.028

Rectum(n = 2299)

0.54(0.32–0.89) 0.017

0.84(0.66–1.07) 0.16

0.74(0.46–1.20) 0.23

Liver(n = 402)

0.26(0.12–0.58) <0.001

1.07(0.75–1.53) 0.70

1.72(1.12–2.63) 0.013

Pancreas(n = 68)

0.15(0.02–1.02) 0.053

3.17(1.50–6.66) 0.002

0.25(0.04–1.43) 0.12

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