Table 2. Univariate analyses of sensitivity to chemoradiotherapy in ESCC patients.

Factor	N	Responder	Resistance	Chi-square	p value
Age
≤60	32	22	10	0.523	0.505
>60	136	102	34
Sex
Male	134	100	34	0.229	0.665
Female	34	24	10
Smoking
No	72	42	30	15.611	<0.001
Yes	96	82	14
Tumour site
Upper 1/3	60	54	10	5.979	0.05
Middle 1/3	78	50	24
Lower 1/3	30	20	10
T stage
II/III	130	98	32	0.738	0.390
IV	38	26	12
N stage
0	44	34	10	0.370	0.690
I	124	90	34
Clinic stage
II	44	34	10	17.811	<0.001
III	86	70	14
IV	38	18	20
Adjuvant therapies
RT	46	30	16	2.419	0.167
CCRT	122	94	28
NLR
≤3.34	108	88	20	9.207	0.003
>3.34	60	36	24
PLR
≤103.75	68	58	10	7.795	0.005
>103.75	100	66	34
CNP
0 score	64	64	10	15.283	<0.001
1 score	48	38	10
2 score	56	32	24
Hemoglobin level
≤43.98	80	50	30	10.105	<0.001
>43.98	88	74	14