Early Esophageal Cancer Specific Survival Is Unaffected by Anatomical Location of Tumor: A Population-Based Study

Table 4

EEC-related survivals between two treatment groups based on location of tumor.

Location of tumor	Total number	1-year survival percentage	5-year survival (95% CI), months	value	Total number	5-year survival percentage	5-year survival (95% CI), months	value
Upper
ET	25	88.00%	10.84 (9.58–12.10)	0.23	10	80.00%	48.60 (34.46–62.74)	0.87
EST	29	96.60%	11.93 (11.79–12.07)		24	75.00%	51.48 (44.90–58.06)
Middle
ET	65	95.40%	11.81 (11.57–12.05)	0.39	40	80.00%	53.21 (48.44–57.98)	0.34
EST	111	91.90%	11.48 (11.08–11.87)		79	69.60%	48.27 (43.94–52.60)
Lower
ET	321	96.30%	11.79 (11.65–11.93)	0.21	151	84.10%	53.46 (50.91–56.00)	0.99
EST	779	94.50%	11.64 (11.52–11.76)		544	83.30%	53.40 (52.03–54.78)