Mean blood loss for the unipolar system was 1062.0 cc (95% confidence limit for the mean: 985.2, 1138.7), and for the bipolar sealer system, it was 929.4 cc (95% confidence limit for the mean: 841.9, 1016.8) This result did not reach statistical significance ( P = .1254).
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Comparison of the Unipolar Electrocautery and the Bipolar Sealer in Reducing Blood Loss in Total Knee Arthroplasty: A Prospective, Randomized, Noninferiority Study.
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0.1254
0.1254