BMC Medical Imaging

Table 4 Univariate and multivariate analyses for 3-year overall survival

From: Value of blood oxygenation level-dependent magnetic resonance imaging in early evaluation of the response and prognosis of esophageal squamous cell carcinoma treated with definitive chemoradiotherapy: a preliminary study

Variables	Univariate analysis			Multivariate analysis
Variables	HR	95% CI	P	HR	95% CI	P
Age (> 60 year)	1.452	0.436–4.832	0.543
Gender (man)	0.287	0.072–1.142	0.091
^§Location	0.971	0.290–3.250	0.962
^§Clinical stage	1.270	0.390–4.132	0.691
Pre-R2*(> 42.18 s^− 1)	9.175	2.284–36.862	0.002
Post-R2* (> 35.16 s^− 1)	0.092	0.018–0.483	0.005
∆R2* (>-7.54 s^− 1)	0.018	0.003–0.112	< 0.001	0.196	0.047–0.807	0.024
∆%R2* (>-12.77)	0.018	0.003–0.112	< 0.001
Response (CR)	0.078	0.020–0.308	< 0.0011	0.238	0.059–0.963	0.044

Note: §, Location, Cervical + Upper vs. Middle; Clinical stage, II vs. III + IVA; HR, Hazard ratio; 95% CI, 95% confidence interval

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ISSN: 1471-2342

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