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Table 2 Measured volumes (55 patients)

From: Impact of sequence choice on flow measurement by phase contrast in the ascending aorta: breath hold and non breath hold

Values/cardiac cycle BH mean NBH mean Mean abs. difference, SD Signed mean difference, SD P
Forward volume, STJ 97.9 mL 102.1 mL 8.9 mL (8.0) -4.2 mL (11.2) .0004
Regurgitant volume, STJ 10.7 mL 12.5 mL 4.8 mL (9.2) -1.8 mL (10.2) .18
Regurgitant fraction, STJ 10.6% 10.6% 3.9% (4.7) +.04 (6.1) .96
Forward volume, MA 92.0 mL 94.8 mL 6.3 mL (4.9) -2.8 (7.5) .01
Regurgitant volume, MA 8.6 mL 8.2 mL 2.0 mL (2.0) +.4 mL (2.9) .12
Regurgitant fraction, MA 9.0% 8.0% 2.6% (3.3) + .9% (4.1) .06