Table 3.

Relationship of quantitative values with PD-L1 expression.

Quantitative values	Univariate analysis		Multivariate analysis with stepwise method
	OR (95% CI)	P value	OR (95% CI)	P value
Max (n = 37)
Score = 0 (n = 18)	3.6 (0.78, 16.9)	0.1
Score = 1 (n = 19)
Min (n = 37)
Score = 0 (n = 9)	4.4 (0.48, 40.8)	0.18
Score = 1 (n = 28)
Median (n = 37)
Score = 0 (n = 27)	3.5 (0.75, 16.3)	0.11
Score = 1 (n = 10)
Mean (n = 37)
Score = 0 (n = 23)	4.8 (1.1, 21.3)	0.04*
Score = 1 (n = 14)
SD (n = 37)
Score = 0 (n = 22)	3.9 (0.89, 17.4)	0.07
Score = 1 (n = 15)
Skewness (n = 37)
Score = 0 (n = 20)	10.1 (1.8, 57.9)	0.009*	7.1 (1.1, 45.6)	0.039*
Score = 1 (n = 17)
Kurtosis (n = 37)
Score = 0 (n = 19)	8.5 (1.5, 48.0)	0.016*
Score = 1 (n = 18)
ECV (n = 37)
Score = 0 (n = 26)	9.6 (1.9, 48.9)	0.006*	6.6 (1.1, 38.4)	0.037*
Score = 1 (n = 11)

OR odds ratio, 95% CI 95% confidence interval.

*P values of < 0.05 were considered significant.