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Table 5 Survival rates according to operative procedure, lymph node metastases and primary tumor infiltration in patients treated for adenocarcinoma of the esophagus

From: Long-term survival from adenocarcinoma of the esophagus after transthoracic and transhiatal esophagectomy

  N Observed deaths SO(5) 95% CI SO(10) 95% CI SMR 95% CI RMR 95% CI  P  value
Total 88 72 25.0 16.2–34.4 20.8 11.8–29.9 6.3 5.0–8.0    
Transthoracic 33 26 31.2 15.5–46.8 27.8 10.4–43.2 6.2 4.2–9.1 1 ref ref
Transhiatal 55 46 21.3 11.5–32.7 16.6 7.2–27.6 6.4 4.8–8.5 1.14 0.67–1.96 0.63
pN0 34 20 52.6 34.0–67.5 48.9 27.2–64.2 2.8 1.8–4.3 1 ref ref
pN1 54 52 7.5 2.2–15.9 3.8 0.5–10.0 12.3 9.4–16.2 2.22 1.24–3.98 0.007
pT1 13 5 68.4 35.6–86.2 57.0 14.9–78.9 1.7 0.7–4.1 1 ref ref
pT2 22 18 38.1 18.0–57.0 33.3 11.8–52.2 3.8 2.4–6.0 1.47 0.49–4.48 0.50
pT3 53 49 9.4 2.9–18.5 7.1 1.9–15.5 13.4 10.1–17.7 3.22 1.16–8.91 0.024
Male 75 62 24.1 15.0–34.2 19.2 10.1–28.9 6.7 5.2–8.6 1 ref ref
Female 13 10 30.8 6.8–53.7 30.8 3.9–53.7 4.7 2.5–8.7 1.84 0.88–3.86 0.11
<60 28 23 25.0 9.9–41.0 20.8 6.7–36.5 7.9 5.3–11.9    
60–69 23 17 27.3 10.8–45.4 27.3 6.2–45.4 2.4 1.5–3.9    
70–79 28 23 32.1 15.1–48.7 21.4 7.3–38.3 1.5 0.98–2.2    
80+ 9 9 0 0 1.3 0.7–2.4    
Age/10 years          0.43 0.35–0.52 <0.001
  1. SO(5) and SO(10) are the observed survivals in percent (Kaplan–Meier) at 5 and 10 years respectively with 95% CI. The SMR is the observed mortality (Obs) divided by the mortality in the general population with the same composition of age, gender, and year of birth (Expected number of deaths, Exp) as that of the study group. The RMRs compare the SMRs for different levels of the variables RMRGender = SMRFemale/SMRMale , but adjusted for the other factors in the table.