Table 12.

Correlations among cytokine levels at baseline in dry eye disease patients (all enrolled population)

	EGF	IFN-γ	IL-1α	IL-1β	IL-2	IL-6	IL-8	IL-17	IP-10	TNF-α
IFN-γ	0.30400 < 0.0001	–
IL-1α	0.23297 0.0027	0.32068 < 0.0001	–
IL-1β	0.51640 < 0.0001	0.41754 < 0.0001	0.66743 < 0.0001	–
IL-2	0.25249 0.0011	0.49808 < 0.0001	0.16664 0.0329	0.42179 < 0.0001	–
IL-6	0.76740 < 0.0001	0.35501 < 0.0001	0.33220 < 0.0001	0.57020 < 0.0001	0.23707 0.0022	–
IL-8	0.75670 < 0.0001	0.28040 0.0003	0.24529 0.0015	0.40306 < 0.0001	0.27415 0.0004	0.80562 < 0.0001	–
IL-17	0.31044 < 0.0001	0.45138 < 0.0001	0.27422 0.0004	0.30745 < 0.0001	0.17318 0.0266	0.38157 < 0.0001	0.26181 0.0007	–
IP-10	0.58512 < 0.0001	0.15471 0.0479	0.33144 < 0.0001	0.38843 < 0.0001	0.06706 0.3936	0.64034 < 0.0001	0.69808 < 0.0001	0.21564 0.0056	–
TNF-α	0.37737 < 0.0001	0.58537 < 0.0001	0.27896 0.0003	0.44958 < 0.0001	0.56420 < 0.0001	0.49181 < 0.0001	0.40005 < 0.0001	0.36543 < 0.0001	0.26294 0.0007	–

EGF Epidermal growth factor, IFN-γ Interferon gamma, IL Interleukin, IP-10 Interferon-gamma-inducible protein 10, TNF-α Tumor necrosis factor alpha

Correlation coefficients and P-values (H₀:Rho = 0) are presented within each cell