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

Table 3

EEC-specific 5-year survival percentage.

Characteristics		Number of deaths	5-year % survival	5-year survival (95% CI), months	value
Overall survival	848	155	81.70%	52.80 (51.68–53.93)
Treatment
Endoscopic treatment	201	34	83.10%	53.18 (50.93–55.43)	0.81
Esophagectomy	647	121	81.30%	52.69 (51.38–53.99)
Histological grade
Adenocarcinoma	619	103	83.40%	53.36 (52.07–54.65)	<0.01
Squamous cell carcinoma	112	36	67.90%	47.47 (43.73–51.21)
Others	117	16	86.30%	55.18 (52.81–57.54)
Location
Upper	34	8	76.50%	50.66 (44.43–56.89)	0.02
Middle	119	32	73.10%	49.84 (46.49–53.18)
Lower	695	115	83.50%	53.42 (52.21–54.63)
Staging
Stage Tis	205	20	90.20%	55.84 (53.97–57.70)	<0.01
Stage T1a	643	135	79.00%	51.83 (50.47–53.93)