Prospective clinical trial analyzing serum mast cell tryptase levels and arthrofibrosis rates after total knee arthroplasty.

There was a trend towards increased risk of arthrofibrosis (OR 2.8; 95% CI 0.3 to 25; p = 0.370, Firth’s penalized-likelihood approach; Table III ) among those with elevated preoperative SMCT levels, although this association did not reach statistical significance.

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