Table 3.

Comparison of objective CD147-expression of primary uveal melanoma regarding the development of metastasis

	CD147-expression of all melanomas	CD147-expression of metastatic melanoma	CD147- expression of non- metastatic melanoma	p-value (Mann–Whitney-U-test)
Objective number of positive cells (stage 1–4) mean ± SD	3.6 ± 0.74	1.4 ± 1.03	3.8 ± 0.34
Objective intensity (stage 1–4) mean ± SD	2.8 ± 0.64	3.6 ± 0.92	1.82 ± 0.95	0.788
Rate of objective expression (%) mean ± SD	37.1 ± 25.61 %	32.6 ± 26.05 %	43.2 ± 24.28 %	0.777

SD standard deviation