Table 1.

Analysis of Parameters Including Caveolin-1 Immunoreactivity and Other Clinical Prognostic Factors in 35 Patients with Nodal Metastases (P/N+)

Prognostic factors	No.	No. dead % (n)	Log rank test P value	Cog regression
				Hazard ratio* (95% CI†)	P
Caveolin-1‡
Yes	4	100% (4)	0.0704	7.198 (1.872–27.671)	0.0041¶
No	31	58% (18)
Age, years
<65	21	67% (14)	0.6364	1.361 (0.508–3.650)	0.5402
≥65	14	57% (8)
Sex
Male	22	64% (14)	0.5364	0.542 (0.122–2.411)	0.4211
Female	13	62% (8)
Smoking
Yes	16	63% (10)	0.6713	0.696 (0.129–3.745)	0.6727
No	19	63% (12)
Chemotherapy
Yes	14	64% (9)	0.4806	2.774 (0.887–8.678)	0.0796
No	21	67% (14)
Stage§
Early	26	62% (16)	0.3082	1.706 (0.520–5.604)	0.3784
Late	9	67% (6)

*Ratio is calculated by comparing the first category to the second category: e.g., yes versus no for caveolin-1.

^†CI, confidence interval.

^‡Cutoff value, 30%.

^§Early stage: stages II and IIIa; late stage: stages IIIb and IV.

^¶Significant.