Table 1. Comparison between % PABS method and numeric counting.

	%PABSa						No. of bone lesionsb
Recorder	BSc-1	BS-2	BS-3	BS-4	BS-5	Measuring time (min)	BS-1	BS-2	BS-3	BS-4	BS-5	Measuring time (min)
A	9.01	8.70	9.38	3.40	8.67	17	61	66	69	21	39	7
B	8.99	8.57	9.10	3.50	9.11	15	58	62	66	20	44	8
C	9.16	8.77	9.32	3.45	9.07	16	66	58	58	18	38	6
D	9.22	8.65	9.45	3.49	9.22	20	48	60	70	24	42	8
E	9.15	8.44	9.33	3.52	8.99	15	56	62	60	22	48	5
Mean	9.11	8.63	9.32	3.47	9.01	16.60	57.80	61.60	64.60	21.00	42.20	6.80
s.d.d	0.10	0.13	0.13	0.05	0.21	2.07	6.65	2.97	5.37	2.24	4.03	1.30
CVe (%)	1.10	1.50	1.40	1.40	2.30	12.50	11.50	4.80	8.30	10.60	9.50	19.20

^aNIH Image computerised measurement.

^bVisually counting.

^cBone scintigraphy.

^dStandard deviation.

^eCoefficient of variation.