Table 2 C‐kit expression in tumours with varying extent of invasion.

	Invasion to choroid or optic nerve		Invasion to optic nerve		Invasion to choroid
	Present	Absent	Present	Absent	Present	Absent	Massive	Minimal
Positive immunoreactivity for C‐kit	31	2	20	13	26	7	20	6
Negative immunoreactivity for C‐kit	19	11	9	21	18	12	16	2
Odds of positive immunoreactivity for C‐kit	1.63	0.18	2.22	0.62	1.44	0.58	1.25	3.00
Odds ratio	8.97		3.59		2.48		0.42
95% Confidence intervals around odds ratio	1.79, 44.95		1.26, 10.23		0.82, 7.51		0.07, 2.35
Chi‐squared p value	<0.01		<0.02		<0.2		<0.5