Preoperative state At discharge Latest assessment†, ¶
5-meter walk test (sec) 7.2±2.4 8.2±3.1 (p=0.24) 8.7±5.2 (p=0.23)
% Grip strength (%) 74.0±19.7 73.1±19.6 (p=0.82) 74.2±22.6 (p=0.94)
Knee extensor strength (N) § 145.8±63.4 144.5±61.9 (p=0.90) 127.8±59.1 (p=0.21)