Table 3.

Dataset size-based partition using an equal frequency distribution of spiculated cases

Size	Area in pixels		Major axis in mm		Spiculated	Non-spiculated	Total
	Lower bound	Upper bound	Mean	Standard deviation	No. of observations	No. of observations	No. of observations
Small	0	215	8.17	2.25	26	3546	3572
Medium	215	765	17.53	4.41	26	418	444
Large	765	1445	29.61	7.03	25	51	76
All	0	1445	9.5847	4.8440	77	4015	4092