(b)  

	Number of patients	Grade			Grade
		0-1	≥2	P =	0–2	≥3	P =
Age
≤65 years	72	60 (83.3%)	12 (16.7%)	0.152	70 (97.2%)	2 (2.8%)	0.772
>65 years	51	47 (92.2%)	4 (7.8%)		50 (98.0%)	1 (2.9%)
Dose
64.8 Gy	18	14 (77.8%)	4 (22.2%)	0.185	18 (100.0%)	0 (0.0%)	0.619
70.2 Gy	105	93 (88.6%)	12 (11.4%)		102 (97.1%)	3 (2.9%)
ENI
No	52	48 (92.3%)	4 (7.7%)	0.072	52 (100.0%)	0 (0.0%)	0.189
Yes	71	59 (83.1%)	12 (16.9%)		68 (95.8%)	3 (4.2%)
AHT
No	38	34 (89.5%)	4 (10.5%)	0.758	37 (97.4%)	1 (2.6%)	0.276
Bicalutamide	48	42 (87.5%)	6 (12.5%)		48 (100.0%)	0 (0.0%)
LH-RH agonist	37	31 (83.8%)	6 (16.2%)		35 (94.6%)	2 (5.4%)

ENI: elective nodal irradiation; AHT: adjuvant hormonal therapy.