Table 5.

Toxicity and adverse events in very elderly and younger patients

	All	Very elderly	Younger patients	p value
	(n = 81)	(n = 20)	(n = 61)
Radiation pneumonitis
≥ Grade 2	9 (11.1%)	6 (30%)	3 (4.9%)	0.002*
Grade 2	7 (8.6%)	4 (20%)	3 (4.9%)
Grade 3	2 (2.5%)	2 (10%)	0
Rib fracture	15 (18.5%)	5 (25%)	10 (16.3%)	0.41

*p < 0.05.