Table 3.

Summary of decision tree results.

		diagnosis
		normal	OA	RA
TreeBagger: all cytokines (n = 38)
training set
patient type	normal	76	0	0
	OA	0	71	0
	RA	0	0	63
test set
patient type	normal	24	0	0
	OA	0	29	0
	RA	1	1	35
all data
patient type	normal	100	0	0
	OA	0	100	0
	RA	1	1	98
single tree: all cytokines (n = 38)
training set
patient type	normal	84	1	0
	OA	0	85	0
	RA	2	4	79
test set
patient type	normal	14	0	1
	OA	1	14	0
	RA	0	1	14
all data
patient type	normal	98	1	1
	OA	1	99	0
	RA	2	5	93