Outcome and prognostic factors in cervical cancer patients treated with surgery and concurrent chemoradiotherapy: a retrospective study

Table 2 Univariate OS and PFS analyses

Variables	Number	OS		PFS
Variables	Number	x ²	P value	x ²	P value
Age
≤ 40	8	1.04	0.307	2.12	0.15
> 40	90	1.04	0.307	2.12	0.15
LVSI
Yes	37	0.47	0.49	0.298	0.585
No	61	0.47	0.49	0.298	0.585
Anemia before radiotherapy
Yes	27	14.76	0.00*	7.17	0.01*
No	71	14.76	0.00*	7.17	0.01*
Deep stromal invasion
Yes	43	3.26	0.71	0.99	0.32
No	55	3.26	0.71	0.99	0.32
PNI
Yes	24	1.12	0.22	1.19	0.28
No	74	1.12	0.22	1.19	0.28
LNM
Positive	37	4.06	0.04*	5.41	0.02*
Negative	61	4.06	0.04*	5.41	0.02*
Tumor size
≥ 4 cm	43	9.22	0.00*	7.20	0.01*
< 4 cm	55	9.22	0.00*	7.20	0.01*
Histology
Squamous	91	0.00	0.96	0.52	0.47
Others	7
TNM stage
I–II	61	0.45	0.50	0.42	0.52
III	37

LNM lymph-node metastasis, PNI perineural invasion, LVSI lymphovascular space invasion
*P < 0.05.

ISSN: 1477-7819