Table 4.

Multivariate analysis for factors impacting toxicity

	Odds ratio (95% CI)
	AKI during RT	Hospitalizations
High comorbidity index	2.74 (1.25–5.99)	2.08 (1.05–4.21)
P value	.01	.03
Every-3-weeks chemotherapy	24.38 (3.00–198.03)	1.16 (0.41–3.26)
P value	.003	.20
Post-operative RT	0.60 (0.29–1.24)	0.66 (0.34–1.25)
P value	.17	.20
Cisplatin	6.38 (0.78–52.31)	1.94 (0.67–5.78)
P value	.08	.22
Age ≥ 60	0.59 (0.29–1.22)	1.64 (0.85–3.23)
P value	.60	.14

AKI acute kidney injury, CI confidence interval, RT radiotherapy