Table 4.

Univariate Cox regression analysis of correlations between texture parameters and OS

Filter value / parameters	HR	95%CI	P
SSF = 0
Entropy	2.36	0.30–25.37	0.4
MPP	1.24	1.04–1.62	0.007
Skewness	1.58	0.35–4.34	0.4
Kurtosis	1.12	0.61–1.67	0.6
SSF = 2
Entropy	2.83	0.53–16.51	0.2
MPP	1.01	0.97–1.05	0.3
Skewness	1.78	0.41–6.23	0.4
Kurtosis	1.06	0.78–1.30	0.6
SSF = 3
Entropy	4.36	0.71–29.06	0.1
MPP	1.02	0.96–1.06	0.4
Skewness	1.05	0.38–4.39	0.9
Kurtosis	0.98	0.65–1.28	0.9
SSF = 4
Entropy	4.21	0.64–26.15	0.1
MPP	1.02	0.95–1.09	0.4
Skewness	1.19	0.57–3.03	0.6
Kurtosis	0.86	0.49–1.13	0.3
SSF = 5
Entropy	3.07	0.55–21.56	0.2
MPP	1.03	0.95–1.09	0.3
Skewness	1.07	0.56–1.91	0.8
Kurtosis	0.47	0.12–0.98	0.04
SSF = 6
Entropy	1.47	0.61–7.15	0.4
MPP	1.02	0.96–1.06	0.4
Skewness	1.50	0.68–4.51	0.3
Kurtosis	0.72	0.40–1.04	0.1