Table 4.

Percentage of malignancy according to the sum of the risk scores

Sum of risk scores b)	Percentage of malignancy according to the sum of risk scores a)
	Physician 1 (n=15)	Physician 2 (n=39)	Physician 3 (n=55)	Physician 4 (n=95)	All
0	0 (0/6)	0 (0/14)	0 (0/14)	8.3 (1/12)	2.2 (1/46)
1	0	0 (0/1)	0 (0/6)	0 (0/1)	0 (0/8)
2	0 (0/2)	0 (0/7)	14.3 (1/7)	13.3 (4/30)	10.9 (5/46)
3	0	100 (2/2)	25.0 (1/4)	0 (0/2)	37.5 (3/8)
4	0	0 (0/2)	0	75.0 (3/4)	50.0 (3/6)
5	0 (0/1)	50 (1/2)	0 (0/1)	33.3 (1/3)	28.6 (2/7)
6	0	0	0	0	0
7	0	66.7 (2/3)	0 (0/2)	70.0 (7/10)	60 (9/15)
8	75.0 (3/4)	100 (3/3)	33.3 (1/3)	60.0 (12/20)	63.3 (19/30)
9	100 (1/1)	66.7 (2/3)	0 (0/2)	33.3 (3/9)	40 (6/15)
10	0	100 (2/2)	62.5 (5/8)	50.0 (2/4)	64.3 (9/14)
11	0	0	0	0	0
12	0	0	100 (3/3)	0	100 (3/3)
13	100 (1/1)	0	0	0	100 (1/1)
14	0	0	80.0 (4/5)	0	80.0 (4/5)

^a)Values are percentages of maligant cases with the given total risk score obtained by summing the score of suspicious ultrasonography features. The number of cases used to calculate the percentages are in parentheses.

^b)Sum of all scores of individual items.