Table 1.

Volumetric assessment and duration

	Observer 1. OsiriX	Observer 2. OsiriX	Observer 3. INtuition	Observer 4. INtuition
Volumes
TLV, mLs	1717 ± 362	1741 ± 369	1778 ± 388	1754 ± 382
FRLV, mLs	344 ± 157	345 ± 155	355 ± 151	334 ± 146
RLV, %	20.0 ± 7.1	19.8 ± 7.1	20.0 ± 7.0	19.0 ± 6.5
Time needed
Measurement TLV, min	10.7 ± 2.8	15.3 ± 5.3	4.0 ± 1.3	5.7 ± 2.7
Measurement FRLV, min	4.5 ± 1.2	6.2 ± 2.4	1.0 ± 0.5	0.9 ± 0.6
Total assessment, min	15.2 ± 3.5	21.5 ± 7.4	5.0 ± 1.6	6.6 ± 2.7