Table 3.

Confusion matrices of predictions and reference standards in validation and two testing datasets based on the AP+LAT channel.

		Validation (prediction)			Test cohort 1 (prediction)			Test cohort 2 (prediction)
		Osteoporosis	Osteopenia	Normal	Osteoporosis	Osteopenia	Normal	Osteoporosis	Osteopenia	Normal
Truth	Osteoporosis	190	34	0	175	36	0	172	36	2
	Osteopenia	50	160	14	57	144	25	61	129	19
	Normal	4	71	105	2	79	110	12	76	121