Table 2.

Factors influencing pelvic recurrence rates

Factor	Hazard ratio (95% confidence interval)	p value*
Stage
1	1.00
2	6.55 (2.16–19.88)	0.005
3	4.89 (1.61–14.83)	< 0.001
Radiotherapy
Preoperative	1.00
Postoperative	1.51 (0.65–3.50)	0.34
None	3.45 (1.56–7.63)	0.002
Radial margins
Negative	1.00
Positive	2.26 (1.01–5.06)	0.047

^*Determined with the χ² test.