Predictive factors of survival in patients treated with definitive chemoradiotherapy for squamous cell esophageal carcinoma

Table 1 Patient characteristics

	n = 116	%
Mean age (yr)	61.3 (40-90)
Male	101	87.1
Female	15	12.9
WHO performance status (OMS)
0	32	27.6
1	70	60.3
2	14	12.1
Dysphagia (Atkinson score)
0	2	1.7
1	21	18.1
2	58	50
3	26	22.4
4	9	7.8
Weight loss ≥ 10% at CRT
Initiation	30	25.9
TNM
T 1-2	27	23.3
3-4	89	76.7
N 0	50	43.1
1	54	46.5
x	12	10.4
M 0	116	100
1	-	-
Esophageal location
Upper one-third	35	30.2
Middle one-third	53	45.7
Lower one third	28	24.1
Mean tumour length (cm)	4.9 (0-15)
Histopathology
Squamous cell carcinoma	116