Table 3. Summary of univariate and multivariate Cox regression analysis of overall survival duration in cervical cancer patients.

Parameter	Univariate analysis			Multivariate analysis
	P	HR	95% CI	P	HR	95% CI
Age (years)	0.490	0.838	0.507–1.385	0.153	0.663	0.377–1.165
(≤50 compared with >50)
Clinical stage	<0.001	2.645	1.546–4.526	0.289	1.557	0.687–3.528
(I-IIA vs. IIB-IV)
Tumor size (cm)	0.237	1.356	0.819–2.247	0.303	1.342	0.767–2.349
(≤4 compared with >4)
Lymph node metastasis	<0.001	3.221	1.839–5.639	0.031	2.452	1.084–5.546
(Absent compared withpresent)
Distant metastasis	<0.001	5.217	2.108–12.910	0.153	2.365	0.726–7.700
(Absent compared with present)
Histological type	<0.001	0.331	0.179-0.611	0.681	1.198	0.507-2.832
(Squamous cell carcinoma compared with adenocarcinoma)
Histological grade	0.003	2.209	1.313–3.717	0.166	1.499	0.846–2.659
(Well compared with moderately/poorly)
CXCL8 protein expression	0.002	2.338	1.378–3.967	0.030	1.917	1.067–3.445
(Low compared with high)

Abbreviations: HR, hazard ratio; 95% CI, 95% confidence interval.