Table 3.

Pooled analysis of ASES and Constant–Murley scores (frequency-weighted means)

Study	Scoring system	Mean (SD) score with acromioplasty	Mean (SD) score no acromioplasty	P value
Abrams et al. [29]; Gartsman and O’Connor [30]; MacDonald et al. [31]	ASES	30.0 (±7.0)	29.6 (±5.2)	0.938
Abrams et al. [29]; Milano et al. [32]	CM	44.5 (±2.0)	46.7 (±6.1)	0.673

ASES American Shoulder and Elbow Surgeons score, CM Constant-Murley score, SD standard deviation