Development of a prognostic prediction model based on microRNA-1269a in esophageal cancer

Table 1 Clinical characteristics of esophageal cancer patients in this study, n (%)

Characteristics	Normal group, n = 52	ESCA group, n = 125	P value
Age in yr	58.7 ± 4.8	60 ± 5.4	0.857
Gender			0.962
Female	21 (40.4)	50 (53.6)
Male	31 (59.6)	75 (46.4)
Smoking history			0.383
Yes	32 (61.5)	68 (54.4)
No	20 (38.5)	57 (45.6)
Alcohol consumption			0.567
Yes	18 (34.6)	49 (39.2)
No	34 (65.4)	76 (60.8)
Location
Upper area		16 (12.8)
Middle area		41 (32.8)
Lower area		68 (54.4)
Histologic grade
G 1		38 (30.4)
G 2 + G 3		87 (69.6)
AJCC stage
Stage I + II		74 (59.2)
Stage III + IV		51 (40.8)
Tumor stage
T1 + T2		52 (41.6)
T3 + T4		73 (58.4)
Lymph stage
N0		59 (48.8)
N1 + N2 + N3		66 (51.2)
Metastatic stage
M0		119 (95.2)
M1		6 (4.8)

AJCC: American Joint Committee on Cancer; ESCA: Esophageal cancer; G 1: Grade 1, high differentiation; G 2: Grade 2, moderate differentiation; G 3: Grade 3, low differentiation.