Primary outcome
SE
The mean DASH score at 2-year follow-up was 30.4 (standard error (SE) 3.25), 31.4 (SE 3.11), and 26.6 (SE 3.23) points for the nonoperative, LP, and HA groups, respectively. At 24 months, the between-group differences were 1.07 points (95% CI [−9.5, 11.7]; 