Table 2.

Chromosomal changes and survival analysis

		OR‡ (95%CI)	OR§(95%CI)
Any Amplification	No	1.00	1.00
	Yes	0.91 (0.36–2.28)	0.96 (0.37–2.51)
Loss of 2q	No	1.00	1.00
	Yes	0.60 (0.30–1.19)	0.57 (0.28–1.16)
Gain of 3q	No	1.00	1.00
	Yes	0.67 (0.29–1.54)	0.60 (0.26–1.42)
		OR‡ (95%CI)	OR¶(95%CI)
Total losses		1.02 (0.91–1.14)	1.00 (0.87–1.16)
Total gains		1.02 (0.93–1.13)	1.02 (0.90–1.16)
Total changes		1.01 (0.95–1.08)

‡ ORs are adjusted for age, stage, size of the tumor and HPV type § ORs are additionally adjusted for any amplification, losses of 2q and gains of 3q. ¶ ORs are additionally adjusted for total losses and total gains.