We previously reported the 9-year follow-up results of 121 cementless total hip arthro- plasties (THAs) from 1990 to 1994 in 93 patients with developmental dysplasia of the hip (DDH). The present study reports the updated long-term results after a mean follow-up of 23 years. Fifty- seve...
In this paper we extend the arithmetic mean method for large, sparse systems of linear equations to the case where the coefficient matrix is a singular, ir... M Benzi,Turul Dayar - 《Parallel Algorithms & Applications》 被引量: 16发表: 2007年 Matrix inequalities for the difference between ...
Interactions between boundary layer wind and topography form non-uniform air temperature distributions in cold and snow-covered regions. Because of this heterogeneity, spatially interpolated air temperatures sometimes deviate from observed values. To evaluate the quality of spatially interpolated daily mean ...
In this paper, a novel method is proposed for designing two channel biorthogonal filter banks with general IIR filters, which satisfy both the perfect reco... ZHANG,Xi,YOSHIKAWA,... - 《Ice Transactions on Fundamentals of Electronics Communications & Computer Sciences》 被引量: 10发表: 1998年 ...
A major concern in any observational study is unmeasured confounding of the relationship between a treatment and outcome of interest. Instrumental variable (IV) analysis methods are able to control for unmeasured confounding. However, IV analysis methods developed for censored time‐to〆vent data tend...
In this paper, a reception model is proposed to improve waiting time of patients considering utilization of doctors and nurses in a neurology clinic by discrete-event simulation (DES). A neurology clinic including 8 doctors with different specialties is investigated. First, an interview and observati...