Prognostic variables for conditional survival in patients with esophageal squamous cell carcinoma who underwent minimally invasive surgery

Table 2 Probability of surviving to a specific year after having survived a specified number of years after surgery for each stage of disease

Year	Probability of surviving to year after surgery
Year	1	2	3	4	5	6	7
All stage
surgery	0.96	0.83	0.72	0.63	0.55	0.52	0.43
1-year after	-	0.86	0.75	0.65	0.58	0.55	0.45
2-year after		-	0.87	0.76	0.67	0.63	0.52
3-year after			-	0.87	0.77	0.73	0.60
4-year after				-	0.88	0.84	0.69
5-year after					-	0.95	0.78
Stage I
surgery	0.98	0.96	0.92	0.85	0.78	0.77	0.63
1-year after	-	0.98	0.93	0.86	0.79	0.78	0.64
2-year after		-	0.95	0.88	0.81	0.80	0.65
3-year after			-	0.93	0.85	0.84	0.69
4-year after				-	0.92	0.90	0.74
5-year after					-	0.98	0.81
Stage II
surgery	0.97	0.87	0.77	0.69	0.61	0.57	0.53
1-year after	-	0.90	0.79	0.71	0.63	0.58	0.55
2-year after		-	0.88	0.80	0.70	0.65	0.61
3-year after			-	0.90	0.80	0.74	0.70
4-year after				-	0.88	0.82	0.77
5-year after					-	0.92	0.87
Stage III/IV
surgery	0.94	0.73	0.59	0.47	0.40	0.38	0.29
1-year after	-	0.78	0.63	0.50	0.43	0.40	0.31
2-year after		-	0.81	0.65	0.55	0.51	0.40
3-year after			-	0.80	0.68	0.64	0.49
4-year after				-	0.85	0.79	0.61
5-year after					-	0.93	0.72

ISSN: 1471-2407