Table 2 Comparison of the radiofrequency bipolar hemostatic sealer and control groups

Hemoglobin, preoperative (g/dL)

12.5 ± 2.1

12.9 ± 2.1

0.47

Hemoglobin, hospital nadir (g/dL)

9.4 ± 1.6

8.5 ± 1.1

0.01

Hemoglobin upon discharge (g/dL)

10.5 ± 1.4

9.7 ± 0.9

0.01

Δ Hemoglobin (admit - discharge) (g/dL)

−2.0 ± 2.2

−3.2 ± 2.1

0.04

Crystalloid (mL)

6,000 ± 2,000

5,900 ± 2,300

0.88

Colloid volume (mL)

70 ± 170

190 ± 270

0.04

Cell salvage (volume returned (mL))

230 ± 47

500 ± 200

0.003

Estimated blood loss (mL)

810 ± 530

1,800 ± 1,600

0.002