Prognosis prediction in esophageal signet-ring-cell carcinoma: a competing risk analysis

BMC Gastroenterology

Table 1 Baseline characteristics of patients diagnosed with esophageal signet-ring-cell carcinoma

Variables	Total (n = 564)		Training (n = 282)		Validation (n = 282)		P value
Variables	No	%	No	%	No	%	P value
Age at Diagnosis							0.063
Mean ± SD	66.64 ± 10.9		65.96 ± 11.09		67.31 ± 10.69		0.142
Age < = 65	261	46	142	50	119	42
Age > 65	303	54	140	50	163	58
Sex							0.523
Female	70	12	38	13	32	11
Male	494	88	244	87	250	89
Race							1
Others	41	7	20	7	21	7
White	523	93	262	93	261	93
Marital Status							0.892
Divorced/Separated	55	10	29	10	26	9
Married	343	61	167	59	176	62
Single/Unmarried	93	16	48	17	45	16
Widowed/Others	73	13	38	13	35	12
History of Malignancy							1
Newly	543	96	272	96	271	96
Previously	21	4	10	4	11	4
Primary Site							0.507
15-32 cm	42	7	20	7	22	8
33-40 cm	468	83	231	82	237	84
Others	54	10	31	11	23	8
Grade							0.979
I-II	25	4	13	5	12	4
III-IV	457	81	228	81	229	81
Others	82	15	41	15	41	15
AJCC Stage							0.26
I	67	12	26	9	41	15
II	120	21	60	21	60	21
III	192	34	101	36	91	32
IV	185	33	95	34	90	32
Tumor Size							0.114
T1	133	24	56	20	77	27
T2	59	10	26	9	33	12
T3	243	43	127	45	116	41
T4	74	13	44	16	30	11
TX	55	10	29	10	26	9
Node Status							0.823
N0	196	35	103	37	93	33
N1	257	46	124	44	133	47
N2	64	11	31	11	33	12
N3/NX	47	8	24	9	23	8
Regional Nodes Examined							0.344
0	415	74	204	72	211	75
0–10	52	9	31	11	21	7
11–60	97	17	47	17	50	18
Positive Lymph Nodes							0.682
0	485	86	240	85	245	87
0–2	44	8	22	8	22	8
3–35	35	6	20	7	15	5
Bone Metastases							1
NO/Unknown	514	91	257	91	257	91
YES	50	9	25	9	25	9
Liver Metastases							1
NO/Unknown	516	91	258	91	258	91
YES	48	9	24	9	24	9
Lung Metastases							0.693
NO/Unknown	537	95	267	95	270	96
YES	27	5	15	5	12	4
Surgery							0.855
NO	391	69	194	69	197	70
YES	173	31	88	31	85	30
Radiotherapy							0.495
NO	424	75	208	74	216	77
YES	140	25	74	26	66	23
Chemotherapy							0.213
NO	148	26	67	24	81	29
YES	416	74	215	76	201	71
Outcomes							0.639
Survival	113	20	52	18	61	22
Cancer-specific death	355	63	181	64	174	62
Other-cause death	96	17	49	17	47	17

ISSN: 1471-230X