Table 1.

Clinical data before operation and at most recent follow-up

	Median preoperative	SD preoperative	Range preoperative	Median post-operative	SD post-operative	Range post-operative	Significant differences pre- vs post-operative
Constant score (points)	26	12.1	8–45	67	11.3	45–81	p = 0.001
Forward flexion (°)	70	29.6	30–100	130	23	90–160	p = 0.002
External rotation (°)	0	30.1	−40 to 60	10	13.2	0–40	p = 0.55
Internal rotationa (points)	2	1.3	1–6	4	2.2	0–9	p = 0.002
Pain (points)	5	3.2	0–10	13	3.2	5–15	p = 0.003
Strength (points)	0	4.8	0–12	6	3.7	1–12	p = 0.01
Activity (points)	8	3.6	2–11	18	2.7	12–20	p = 0.001
Mobility (points)	8	5	4–20	28	5.1	18–34	p = 0.001

^aInternal rotation was graded according to the posterior spinal region that could be reached by the thumb