Table 4.

Concordance between physician judgment and segmentation by algorithm for 1615 seniors^a

Algorithm-assigned segment	Physician-assigned segment				Total
	1	2	3	4
1	237	23	0	1	261
2	9	831	60	4	904
3	6	84	209	14	313
4	0	7	38	92	137
Total	252	945	307	111	1615

^aValues in bold indicate concordance.