Table 4:

Decision thresholds

	Threshold	Sensitivity	Specificity
Max PSR % in lymphoma from other	>94	100	69
	>114	82	93
	>136	72	100
Mean PSR % in lymphoma from other	>70	100	34
	>120	59	100
	>103	78	94
Mean PSR % in metastases from other	<40	.50	100
	<75	100	83
	<67	95	85
Min PSR % in metastases from other	<40	.50	100
	<72	100	81
	<51	86	89