Low Expression of DDX60 Gene Might Associate with the Radiosensitivity for Patients with Breast Cancer

Table 4

Association analysis of radiotherapy and survival under different expressions of DDX60.

Data	DDX60 expression	Unadjusted (RT vs NRT)		Adjusted (RT vs NRT)
		HR (95% CI)	values	HR (95% CI)	values
Training	High (n = 175)	4.266 (0.943–19.290)	0.060	3.582 (0.627–20.467)	0.054
	Low (n = 175)	0.312 (0.123–0.789)	0.014	0.244 (0.064–0.921)	0.040
Validation	High (n = 178)	1.848 (0.520–6.571)	0.343	2.421 (0.460–12.773)	0.297
	Low (n = 172)	0.314 (0.135–0.729)	0.007	0.199 (0.062–0.646)	0.007
All data	High (n = 353)	2.831 (1.074–7.461)	0.035	1.687 (0.485–5.866)	0.411
	Low (n = 347)	0.341 (0.186–0.626)	<0.001	0.395 (0.186–0.840)	0.016

Note. Adjusted factors: age, history of other malignancies, histologic type, first surgical procedure, TNM stages, ER status, PR status, HER2 status, and chemotherapy.