Table 2. Univariate analysis of OS.

Characteristic Age (years)	Cases	Median Survival (months)	95% (CI) (months)	P-value
< 60	19	5.0 ± 0.6	3.6–6.5	P = 0.645
> = 60	26	6.0 ± 0.5	4.9–7.2
Gender
Male	20	5.0 ± 0.7	3.5–6.8	P = 0.263
Female	25	6.0 ± 0.5	5.0–7.0
Differentiation
Poorly	28	5.0 ± 0.7	3.5–6.5	P = 0.328
Medium and high	17	8.0 ± 0.5	1.8–15.2
Treatment
Chemical treatment	25	6.0 ± 0.8	4.0–8.2	P = 0.048
None	20	4.0 ± 0.4	2.7–5.6
YAP expression
High and moderate	37	4.0 ± 0.6	3.1–5.1	P = 0.015
low and none	8	7.0 ± 0.6	5.4–8.2

Abbreviations: CI, confidence interval.

low YAP expression and chemotherapy treatment were positively correlated with the patients’ survival (p = 0.015 and p = 0.048).