Table 6. Time taken to perform reads (time in seconds; SD = standard deviation).

p-value: t-test (paired samples). ■ = Read 1 compared to read 2. ▲ = Read 1 compared to time (read 2 + read 3).

Reader	First Read mean (SD)	Second Read mean (SD)	Mean difference	p-value ■	Third Read mean (SD)	p-value ▲
R1	51.1 (43.0)	28.3 (21.2)	- 22.8 (- 45%)	<0.0001	26.0 (13.8)	0.32
R2	61.6 (47.3)	48.4 (64.9)	- 13.2 (- 21%)	0.017	28.4 (42.3)	0.02
R3	88.6 (65.8)	47.9 (26.0)	- 40.7 (- 46%)	<0.0001	48.7 (47.2)	0.181
R4	63.0 (29.6)	43.9 (23.8)	- 19.1 (- 30%)	<0.0001	32.8 (22.2)	<0.0001
R5	69.8 (93.7)	62.5 (130.1)	- 7.3 (- 10%)	0.533	26.4 (55.4)	0.126