Compared with HA patients , RSA patients had significantly higher ( P = .001 ) mean University of California-Los Angeles ( 29.1 vs 21.1 ) and Constant ( 56.1 vs 40.0 ) scores , forward elevation ( 120.3 vs 79.8 ) , and abduction ( 112.9 vs 78.7 ) but no difference in internal rotation ( 2.7 vs 2.6 ; P = .91 ) .