« Previous Next » The Journal of Thoracic and Cardiovascular Surgery
Volume 117, Issue 4 , Pages 766-775 , April 1999

Which manufacturing characteristics are predictors of outlet strut fracture in large sixty-degree Björk-Shiley convexo-concave mitral valves?

Received 24 February 1998 ,Revised 30 September 1998 ,Accepted 16 October 1998.

Receiver operating characteristic curves of 4 prognostic models for outlet strut fracture in large-size (≥29 mm) 60-degree Björk-Shiley convexo-concave mitral valves. Model 1, AUC 0.71 (95% CI 0.59-0.

Receiver operating characteristic curves of 4 prognostic models for outlet strut fracture in large-size (≥29 mm) 60-degree Björk-Shiley convexo-concave mitral valves. Model 1, AUC 0.71 (95% CI 0.59-0.83); model 2, AUC 0.83 (95% CI 0.73-0.93, P < .01 versus model 1); model 3, AUC 0.87 (95% CI 0.77-0.97, P < .01 versus model 1); model 4, AUC 0.94 (95% CI 0.86-1.00, P < .01 versus model 1).
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Cumulative hazards of strut fracture of models 1 (A) and 4 (B). 1, 50th percentile or less; 2, 50th through 80th percentiles; 3, 90th percentile and higher.

Cumulative hazards of strut fracture of models 1 (A) and 4 (B). 1, 50th percentile or less; 2, 50th through 80th percentiles; 3, 90th percentile and higher.
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☆ Members of the Netherlands Björk-Shiley Study Group are listed in the appendix.

☆☆ Address for reprints: Yolanda van der Graaf, MD, PhD, Julius Center for Patient Oriented Research, Utrecht University, Medical School, PO Box 85500, 3508 GA Utrecht, The Netherlands.

★ 12/1/95296

PII: S0022-5223(99)70298-9

« Previous Next » The Journal of Thoracic and Cardiovascular Surgery
Volume 117, Issue 4 , Pages 766-775 , April 1999